From bfed53d2c76cc0449d2d6ef1963863092fb98d03 Mon Sep 17 00:00:00 2001
From: Ian Jauslin <jauslin@ias.edu>
Date: Tue, 6 Feb 2018 19:57:42 +0000
Subject: As presented at Princeton University on 2018-02-06

---
 figs/atoms.fig/Makefile                            |  15 ++++
 figs/atoms.fig/crystal-base.gp                     |  21 +++++
 figs/atoms.fig/crystal.py                          |  24 ++++++
 figs/atoms.fig/gas-base.gp                         |  21 +++++
 figs/atoms.fig/gas.py                              |  39 +++++++++
 figs/atoms.fig/liquid-base.gp                      |  21 +++++
 figs/atoms.fig/liquid.py                           |  39 +++++++++
 figs/cross_example.fig/Makefile                    |   1 +
 figs/cross_example.fig/cross_example.tikz.tex      |  16 ++++
 figs/cross_example.fig/grid.tikz.tex               |  10 +++
 figs/cross_example.fig/libs/shapes.sty             |   1 +
 figs/cross_sliding.fig/Makefile                    |   1 +
 figs/cross_sliding.fig/cross_sliding_2.tikz.tex    |  14 ++++
 figs/cross_sliding.fig/cross_sliding_3a.tikz.tex   |  14 ++++
 figs/cross_sliding.fig/cross_sliding_3b.tikz.tex   |  16 ++++
 figs/cross_sliding.fig/libs/shapes.sty             |   1 +
 figs/gaunt_fisher.fig/.gf_diamond3.tikz.tex.swp    | Bin 0 -> 12288 bytes
 figs/gaunt_fisher.fig/Makefile                     |   1 +
 figs/gaunt_fisher.fig/gaunt_fisher2.tikz.tex       |  30 +++++++
 figs/gaunt_fisher.fig/gaunt_fisher3.tikz.tex       |  53 ++++++++++++
 figs/gaunt_fisher.fig/gf_diamond1.tikz.tex         |  23 ++++++
 figs/gaunt_fisher.fig/gf_diamond2.tikz.tex         |  25 ++++++
 figs/gaunt_fisher.fig/gf_diamond3.tikz.tex         |  30 +++++++
 figs/gaunt_fisher.fig/libs/shapes.sty              |   1 +
 figs/hole_example.fig/Makefile                     |   1 +
 figs/hole_example.fig/hole_example_cross.tikz.tex  |  36 ++++++++
 .../hole_example_cross_decorrelated.tikz.tex       |  63 ++++++++++++++
 figs/hole_example.fig/hole_example_square.tikz.tex |  24 ++++++
 figs/hole_example.fig/libs/shapes.sty              |   1 +
 figs/libs/Makefile                                 |  28 +++++++
 figs/libs/shapes.sty                               |  91 +++++++++++++++++++++
 figs/packings.fig/Makefile                         |   1 +
 figs/packings.fig/cross_packing_l.tikz.tex         |  14 ++++
 figs/packings.fig/cross_packing_r.tikz.tex         |  14 ++++
 figs/packings.fig/libs/shapes.sty                  |   1 +
 figs/shapes.fig/L_tetromino.tikz.tex               |  11 +++
 figs/shapes.fig/Makefile                           |   1 +
 figs/shapes.fig/P_pentomino.tikz.tex               |  11 +++
 figs/shapes.fig/T_tetromino.tikz.tex               |  11 +++
 figs/shapes.fig/V_triomino.tikz.tex                |  11 +++
 figs/shapes.fig/cross.tikz.tex                     |  11 +++
 figs/shapes.fig/diamond.tikz.tex                   |  11 +++
 figs/shapes.fig/hexagon.tikz.tex                   |  37 +++++++++
 figs/shapes.fig/libs/shapes.sty                    |   1 +
 figs/square_packing.fig/Makefile                   |   1 +
 figs/square_packing.fig/libs/shapes.sty            |   1 +
 figs/square_packing.fig/square_packing.tikz.tex    |  20 +++++
 .../square_packing_slide.tikz.tex                  |  25 ++++++
 figs/square_sliding.fig/Makefile                   |   1 +
 figs/square_sliding.fig/libs/shapes.sty            |   1 +
 figs/square_sliding.fig/square_sliding.tikz.tex    |  17 ++++
 .../square_sliding_contra.tikz.tex                 |  25 ++++++
 52 files changed, 887 insertions(+)
 create mode 100644 figs/atoms.fig/Makefile
 create mode 100644 figs/atoms.fig/crystal-base.gp
 create mode 100644 figs/atoms.fig/crystal.py
 create mode 100644 figs/atoms.fig/gas-base.gp
 create mode 100644 figs/atoms.fig/gas.py
 create mode 100644 figs/atoms.fig/liquid-base.gp
 create mode 100644 figs/atoms.fig/liquid.py
 create mode 120000 figs/cross_example.fig/Makefile
 create mode 100644 figs/cross_example.fig/cross_example.tikz.tex
 create mode 100644 figs/cross_example.fig/grid.tikz.tex
 create mode 120000 figs/cross_example.fig/libs/shapes.sty
 create mode 120000 figs/cross_sliding.fig/Makefile
 create mode 100644 figs/cross_sliding.fig/cross_sliding_2.tikz.tex
 create mode 100644 figs/cross_sliding.fig/cross_sliding_3a.tikz.tex
 create mode 100644 figs/cross_sliding.fig/cross_sliding_3b.tikz.tex
 create mode 120000 figs/cross_sliding.fig/libs/shapes.sty
 create mode 100644 figs/gaunt_fisher.fig/.gf_diamond3.tikz.tex.swp
 create mode 120000 figs/gaunt_fisher.fig/Makefile
 create mode 100644 figs/gaunt_fisher.fig/gaunt_fisher2.tikz.tex
 create mode 100644 figs/gaunt_fisher.fig/gaunt_fisher3.tikz.tex
 create mode 100644 figs/gaunt_fisher.fig/gf_diamond1.tikz.tex
 create mode 100644 figs/gaunt_fisher.fig/gf_diamond2.tikz.tex
 create mode 100644 figs/gaunt_fisher.fig/gf_diamond3.tikz.tex
 create mode 120000 figs/gaunt_fisher.fig/libs/shapes.sty
 create mode 120000 figs/hole_example.fig/Makefile
 create mode 100644 figs/hole_example.fig/hole_example_cross.tikz.tex
 create mode 100644 figs/hole_example.fig/hole_example_cross_decorrelated.tikz.tex
 create mode 100644 figs/hole_example.fig/hole_example_square.tikz.tex
 create mode 120000 figs/hole_example.fig/libs/shapes.sty
 create mode 100644 figs/libs/Makefile
 create mode 100644 figs/libs/shapes.sty
 create mode 120000 figs/packings.fig/Makefile
 create mode 100644 figs/packings.fig/cross_packing_l.tikz.tex
 create mode 100644 figs/packings.fig/cross_packing_r.tikz.tex
 create mode 120000 figs/packings.fig/libs/shapes.sty
 create mode 100644 figs/shapes.fig/L_tetromino.tikz.tex
 create mode 120000 figs/shapes.fig/Makefile
 create mode 100644 figs/shapes.fig/P_pentomino.tikz.tex
 create mode 100644 figs/shapes.fig/T_tetromino.tikz.tex
 create mode 100644 figs/shapes.fig/V_triomino.tikz.tex
 create mode 100644 figs/shapes.fig/cross.tikz.tex
 create mode 100644 figs/shapes.fig/diamond.tikz.tex
 create mode 100644 figs/shapes.fig/hexagon.tikz.tex
 create mode 120000 figs/shapes.fig/libs/shapes.sty
 create mode 120000 figs/square_packing.fig/Makefile
 create mode 120000 figs/square_packing.fig/libs/shapes.sty
 create mode 100644 figs/square_packing.fig/square_packing.tikz.tex
 create mode 100644 figs/square_packing.fig/square_packing_slide.tikz.tex
 create mode 120000 figs/square_sliding.fig/Makefile
 create mode 120000 figs/square_sliding.fig/libs/shapes.sty
 create mode 100644 figs/square_sliding.fig/square_sliding.tikz.tex
 create mode 100644 figs/square_sliding.fig/square_sliding_contra.tikz.tex

(limited to 'figs')

diff --git a/figs/atoms.fig/Makefile b/figs/atoms.fig/Makefile
new file mode 100644
index 0000000..b0cdfa6
--- /dev/null
+++ b/figs/atoms.fig/Makefile
@@ -0,0 +1,15 @@
+PROJECTNAME=crystal liquid gas
+PNGS=$(addsuffix .png, $(PROJECTNAME))
+
+all: $(PNGS)
+
+$(PNGS):
+	cp $(patsubst %.png, %, $@)-base.gp $(patsubst %.png, %, $@).gp
+	python $(patsubst %.png, %, $@).py >> $(patsubst %.png, %, $@).gp
+	gnuplot $(patsubst %.png, %, $@).gp > $@
+
+clean-aux:
+	rm -f $(addsuffix .gp, $(PROJECTNAME))
+
+clean: clean-aux
+	rm -f $(PNGS)
diff --git a/figs/atoms.fig/crystal-base.gp b/figs/atoms.fig/crystal-base.gp
new file mode 100644
index 0000000..4502919
--- /dev/null
+++ b/figs/atoms.fig/crystal-base.gp
@@ -0,0 +1,21 @@
+set terminal pngcairo size 2048,2048
+
+set key off
+unset colorbox
+unset border
+unset xtics
+unset ytics
+unset ztics
+
+set parametric
+
+set view equal xyz
+
+set isosample 100
+
+set pm3d depthorder
+set pm3d lighting primary 0.50 specular 0.6
+
+set palette defined (0 "#339999", 1"#339999")
+
+splot \
diff --git a/figs/atoms.fig/crystal.py b/figs/atoms.fig/crystal.py
new file mode 100644
index 0000000..4b1ba3c
--- /dev/null
+++ b/figs/atoms.fig/crystal.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+
+from math import *
+import random
+import sys
+
+# size of lattice
+N=5
+
+# configuration
+config=[]
+for i in range(N):
+    for j in range(N):
+        for k in range(N):
+            config.append([2*i+((j+k)%2),sqrt(3)*(j+(k%2)/3),2*sqrt(6)/3*k])
+
+
+for i in range(len(config)):
+    print(str(config[i][0])+"+cos(u)*sin(v)", end=",")
+    print(str(config[i][1])+"+sin(u)*sin(v)", end=",")
+    print(str(config[i][2])+"+cos(v)", end=" ")
+    print("with pm3d", end="")
+    if i<len(config)-1:
+        print(", \\")
diff --git a/figs/atoms.fig/gas-base.gp b/figs/atoms.fig/gas-base.gp
new file mode 100644
index 0000000..7e337b6
--- /dev/null
+++ b/figs/atoms.fig/gas-base.gp
@@ -0,0 +1,21 @@
+set terminal pngcairo size 2048,2048
+
+set key off
+unset colorbox
+unset border
+unset xtics
+unset ytics
+unset ztics
+
+set parametric
+
+set view equal xyz
+
+set isosample 100
+
+set pm3d depthorder
+set pm3d lighting primary 0.5 specular 0.6
+
+set palette defined (0 "#339999", 1"#339999")
+
+splot \
diff --git a/figs/atoms.fig/gas.py b/figs/atoms.fig/gas.py
new file mode 100644
index 0000000..8685999
--- /dev/null
+++ b/figs/atoms.fig/gas.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+from math import *
+import random
+
+# size of space
+L=15
+# number of particles
+N=10
+
+# check whether two rods overlap
+def check_overlap(sphere1,sphere2):
+    if(sqrt((sphere2[0]-sphere1[0])**2+(sphere2[1]-sphere1[1])**2+(sphere2[2]-sphere1[2])**2)<2):
+        return(True)
+    return(False)
+
+# configuration
+config=[]
+# add spheres
+while len(config)<N:
+    # random position
+    x=[random.uniform(0,L), random.uniform(0,L), random.uniform(0,L)]
+    # check it does not interfere with other spheres
+    fine=True
+    for sphere in config:
+        if(check_overlap(sphere,x)):
+            fine=False
+            break
+    if fine:
+        config.append(x)
+
+for i in range(len(config)):
+    sphere=config[i]
+    print(str(sphere[0])+"+cos(u)*sin(v)", end=", ")
+    print(str(sphere[1])+"+sin(u)*sin(v)", end=", ")
+    print(str(sphere[2])+"+cos(v)", end="  ")
+    print("with pm3d", end="")
+    if i<len(config)-1:
+        print(", \\")
diff --git a/figs/atoms.fig/liquid-base.gp b/figs/atoms.fig/liquid-base.gp
new file mode 100644
index 0000000..4502919
--- /dev/null
+++ b/figs/atoms.fig/liquid-base.gp
@@ -0,0 +1,21 @@
+set terminal pngcairo size 2048,2048
+
+set key off
+unset colorbox
+unset border
+unset xtics
+unset ytics
+unset ztics
+
+set parametric
+
+set view equal xyz
+
+set isosample 100
+
+set pm3d depthorder
+set pm3d lighting primary 0.50 specular 0.6
+
+set palette defined (0 "#339999", 1"#339999")
+
+splot \
diff --git a/figs/atoms.fig/liquid.py b/figs/atoms.fig/liquid.py
new file mode 100644
index 0000000..99b09ba
--- /dev/null
+++ b/figs/atoms.fig/liquid.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+from math import *
+import random
+
+# size of space
+L=15
+# number of particles
+N=100
+
+# check whether two rods overlap
+def check_overlap(sphere1,sphere2):
+    if(sqrt((sphere2[0]-sphere1[0])**2+(sphere2[1]-sphere1[1])**2+(sphere2[2]-sphere1[2])**2)<2):
+        return(True)
+    return(False)
+
+# configuration
+config=[]
+# add spheres
+while len(config)<N:
+    # random position
+    x=[random.uniform(0,L), random.uniform(0,L), random.uniform(0,L)]
+    # check it does not interfere with other spheres
+    fine=True
+    for sphere in config:
+        if(check_overlap(sphere,x)):
+            fine=False
+            break
+    if fine:
+        config.append(x)
+
+for i in range(len(config)):
+    sphere=config[i]
+    print(str(sphere[0])+"+cos(u)*sin(v)", end=", ")
+    print(str(sphere[1])+"+sin(u)*sin(v)", end=", ")
+    print(str(sphere[2])+"+cos(v)", end="  ")
+    print("with pm3d", end="")
+    if i<len(config)-1:
+        print(", \\")
diff --git a/figs/cross_example.fig/Makefile b/figs/cross_example.fig/Makefile
new file mode 120000
index 0000000..704310e
--- /dev/null
+++ b/figs/cross_example.fig/Makefile
@@ -0,0 +1 @@
+../libs/Makefile
\ No newline at end of file
diff --git a/figs/cross_example.fig/cross_example.tikz.tex b/figs/cross_example.fig/cross_example.tikz.tex
new file mode 100644
index 0000000..8231de6
--- /dev/null
+++ b/figs/cross_example.fig/cross_example.tikz.tex
@@ -0,0 +1,16 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid{10}{10}{(-0.5,-0.5)}
+
+\cross{teal}{(5,5)}
+\cross{teal}{(4,2)}
+\cross{teal}{(7,2)}
+\cross{teal}{(3,8)}
+\cross{teal}{(1,7)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/cross_example.fig/grid.tikz.tex b/figs/cross_example.fig/grid.tikz.tex
new file mode 100644
index 0000000..4278366
--- /dev/null
+++ b/figs/cross_example.fig/grid.tikz.tex
@@ -0,0 +1,10 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid{10}{10}{(-0.5,-0.5)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/cross_example.fig/libs/shapes.sty b/figs/cross_example.fig/libs/shapes.sty
new file mode 120000
index 0000000..eaa25c7
--- /dev/null
+++ b/figs/cross_example.fig/libs/shapes.sty
@@ -0,0 +1 @@
+../../libs/shapes.sty
\ No newline at end of file
diff --git a/figs/cross_sliding.fig/Makefile b/figs/cross_sliding.fig/Makefile
new file mode 120000
index 0000000..704310e
--- /dev/null
+++ b/figs/cross_sliding.fig/Makefile
@@ -0,0 +1 @@
+../libs/Makefile
\ No newline at end of file
diff --git a/figs/cross_sliding.fig/cross_sliding_2.tikz.tex b/figs/cross_sliding.fig/cross_sliding_2.tikz.tex
new file mode 100644
index 0000000..dfc3267
--- /dev/null
+++ b/figs/cross_sliding.fig/cross_sliding_2.tikz.tex
@@ -0,0 +1,14 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\square{red}{(1,1)}
+\square{red}{(2,1)}
+\grid74{(-2,-2)}
+\cross{teal}{(0,0)}
+\cross{teal}{(3,0)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/cross_sliding.fig/cross_sliding_3a.tikz.tex b/figs/cross_sliding.fig/cross_sliding_3a.tikz.tex
new file mode 100644
index 0000000..0d55ee6
--- /dev/null
+++ b/figs/cross_sliding.fig/cross_sliding_3a.tikz.tex
@@ -0,0 +1,14 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\square{red}{(-1,1)}
+\grid77{(-4,-3)}
+\cross{teal}{(-2,-1)}
+\cross{teal}{(0,0)}
+\cross{teal}{(1,2)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/cross_sliding.fig/cross_sliding_3b.tikz.tex b/figs/cross_sliding.fig/cross_sliding_3b.tikz.tex
new file mode 100644
index 0000000..c54dbec
--- /dev/null
+++ b/figs/cross_sliding.fig/cross_sliding_3b.tikz.tex
@@ -0,0 +1,16 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\square{red}{(-1,-2)}
+\square{red}{(0,-2)}
+\square{red}{(1,-2)}
+\grid85{(-4,-3)}
+\cross{teal}{(-2,-1)}
+\cross{teal}{(0,0)}
+\cross{teal}{(2,-1)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/cross_sliding.fig/libs/shapes.sty b/figs/cross_sliding.fig/libs/shapes.sty
new file mode 120000
index 0000000..eaa25c7
--- /dev/null
+++ b/figs/cross_sliding.fig/libs/shapes.sty
@@ -0,0 +1 @@
+../../libs/shapes.sty
\ No newline at end of file
diff --git a/figs/gaunt_fisher.fig/.gf_diamond3.tikz.tex.swp b/figs/gaunt_fisher.fig/.gf_diamond3.tikz.tex.swp
new file mode 100644
index 0000000..0c598c7
Binary files /dev/null and b/figs/gaunt_fisher.fig/.gf_diamond3.tikz.tex.swp differ
diff --git a/figs/gaunt_fisher.fig/Makefile b/figs/gaunt_fisher.fig/Makefile
new file mode 120000
index 0000000..704310e
--- /dev/null
+++ b/figs/gaunt_fisher.fig/Makefile
@@ -0,0 +1 @@
+../libs/Makefile
\ No newline at end of file
diff --git a/figs/gaunt_fisher.fig/gaunt_fisher2.tikz.tex b/figs/gaunt_fisher.fig/gaunt_fisher2.tikz.tex
new file mode 100644
index 0000000..731d3f2
--- /dev/null
+++ b/figs/gaunt_fisher.fig/gaunt_fisher2.tikz.tex
@@ -0,0 +1,30 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \cross{teal}{(4,4)}
+  \cross{teal}{(3,6)}
+  \cross{teal}{(7,3)}
+  \cross{teal}{(9,4)}
+  \cross{teal}{(10,7)}
+  \cross{teal}{(4,9)}
+
+  \cross{teal}{(6,6)}
+  \cross{teal}{(7,8)}
+
+  \square{black}{(6,4)}
+  \square{black}{(5,5)}
+  \square{black}{(5,7)}
+  \square{black}{(4,7)}
+  \square{black}{(5,8)}
+  \square{black}{(7,5)}
+  \square{black}{(8,5)}
+  \square{black}{(8,6)}
+  \square{black}{(9,6)}
+  \square{black}{(8,7)}
+
+\end{tikzpicture}
+\end{document}
diff --git a/figs/gaunt_fisher.fig/gaunt_fisher3.tikz.tex b/figs/gaunt_fisher.fig/gaunt_fisher3.tikz.tex
new file mode 100644
index 0000000..96ef6f7
--- /dev/null
+++ b/figs/gaunt_fisher.fig/gaunt_fisher3.tikz.tex
@@ -0,0 +1,53 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \foreach\k in {2,...,4}{
+    \cross{teal}{(2*\k,\k)}
+    \cross{teal}{(5,15)++(\k,-2*\k)}
+  }
+  \foreach\k in {1,...,3}{
+    \cross{teal}{(-5,10)++(2*\k,\k)}
+  }
+  \cross{teal}{(3,5)}
+  \cross{teal}{(5,9)}
+  \cross{teal}{(-1,7)}
+  \cross{teal}{(0,9)}
+  \cross{teal}{(6,6)}
+  \cross{teal}{(1,6)}
+  \cross{teal}{(3,10)}
+  \cross{teal}{(4,12)}
+  \cross{teal}{(1,3)}
+  \cross{teal}{(-2,4)}
+  \cross{teal}{(-4,8)}
+
+  \square{black}{(3,3)}
+  \square{black}{(2,4)}
+  \square{black}{(4,4)}
+  \square{black}{(5,4)}
+  \square{black}{(5,5)}
+  \square{black}{(7,5)}
+  \square{black}{(8,6)}
+  \square{black}{(7,7)}
+  \square{black}{(7,8)}
+  \square{black}{(6,8)}
+  \square{black}{(6,10)}
+  \square{black}{(5,11)}
+  \square{black}{(2,12)}
+  \square{black}{(2,11)}
+  \square{black}{(1,11)}
+  \square{black}{(0,11)}
+  \square{black}{(1,10)}
+  \square{black}{(-1,10)}
+  \square{black}{(-2,10)}
+  \square{black}{(-2,9)}
+  \square{black}{(-3,9)}
+  \square{black}{(-2,8)}
+  \square{black}{(-1,5)}
+  \square{black}{(0,5)}
+  \square{black}{(0,4)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/gaunt_fisher.fig/gf_diamond1.tikz.tex b/figs/gaunt_fisher.fig/gf_diamond1.tikz.tex
new file mode 100644
index 0000000..4a69db1
--- /dev/null
+++ b/figs/gaunt_fisher.fig/gf_diamond1.tikz.tex
@@ -0,0 +1,23 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \begin{scope}
+    \clip(1,0)--++(3,3)--++(-3,3)--++(-3,-3)--cycle;
+    \grid66{(-2,0)}
+  \end{scope}
+  \diamond{teal}{(1,1)}
+  \diamond{teal}{(0,2)}
+  \diamond{teal}{(-1,3)}
+  \diamond{teal}{(0,4)}
+  \diamond{teal}{(1,5)}
+  \diamond{teal}{(2,4)}
+  \diamond{teal}{(3,3)}
+  \diamond{teal}{(2,2)}
+
+\end{tikzpicture}
+\end{document}
+
diff --git a/figs/gaunt_fisher.fig/gf_diamond2.tikz.tex b/figs/gaunt_fisher.fig/gf_diamond2.tikz.tex
new file mode 100644
index 0000000..800ce78
--- /dev/null
+++ b/figs/gaunt_fisher.fig/gf_diamond2.tikz.tex
@@ -0,0 +1,25 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \begin{scope}
+    \clip(1,0)--++(4,4)--++(-3,3)--++(-4,-4)--cycle;
+    \grid77{(-2,0)}
+  \end{scope}
+  \diamond{teal}{(1,1)}
+  \diamond{teal}{(0,2)}
+  \diamond{teal}{(-1,3)}
+  \diamond{teal}{(0,4)}
+  \diamond{teal}{(1,5)}
+  \diamond{teal}{(2,6)}
+  \diamond{teal}{(3,5)}
+  \diamond{teal}{(4,4)}
+  \diamond{teal}{(3,3)}
+  \diamond{teal}{(2,2)}
+
+\end{tikzpicture}
+\end{document}
+
diff --git a/figs/gaunt_fisher.fig/gf_diamond3.tikz.tex b/figs/gaunt_fisher.fig/gf_diamond3.tikz.tex
new file mode 100644
index 0000000..cee573c
--- /dev/null
+++ b/figs/gaunt_fisher.fig/gf_diamond3.tikz.tex
@@ -0,0 +1,30 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \begin{scope}
+    \clip(1,0)--++(4,4)--++(-4,4)--++(-4,-4)--cycle;
+    \grid88{(-2,0)}
+  \end{scope}
+  \diamond{teal}{(1,1)}
+  \diamond{teal}{(0,2)}
+  \diamond{teal}{(-1,3)}
+  \diamond{teal}{(-2,4)}
+  \diamond{teal}{(-1,5)}
+  \diamond{teal}{(0,6)}
+  \diamond{teal}{(1,7)}
+  \diamond{teal}{(2,6)}
+  \diamond{teal}{(3,5)}
+  \diamond{teal}{(4,4)}
+  \diamond{teal}{(3,3)}
+  \diamond{teal}{(2,2)}
+
+  \diamond{teal}{(1,4)}
+
+\end{tikzpicture}
+\end{document}
+
+
diff --git a/figs/gaunt_fisher.fig/libs/shapes.sty b/figs/gaunt_fisher.fig/libs/shapes.sty
new file mode 120000
index 0000000..eaa25c7
--- /dev/null
+++ b/figs/gaunt_fisher.fig/libs/shapes.sty
@@ -0,0 +1 @@
+../../libs/shapes.sty
\ No newline at end of file
diff --git a/figs/hole_example.fig/Makefile b/figs/hole_example.fig/Makefile
new file mode 120000
index 0000000..704310e
--- /dev/null
+++ b/figs/hole_example.fig/Makefile
@@ -0,0 +1 @@
+../libs/Makefile
\ No newline at end of file
diff --git a/figs/hole_example.fig/hole_example_cross.tikz.tex b/figs/hole_example.fig/hole_example_cross.tikz.tex
new file mode 100644
index 0000000..f9208e1
--- /dev/null
+++ b/figs/hole_example.fig/hole_example_cross.tikz.tex
@@ -0,0 +1,36 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \cross{teal}{(5,2)}
+  \cross{teal}{(4,4)}
+  \cross{teal}{(3,6)}
+  \cross{teal}{(2,8)}
+  \cross{teal}{(7,3)}
+  \cross{teal}{(9,4)}
+  \cross{teal}{(11,5)}
+  \cross{teal}{(10,7)}
+  \cross{teal}{(9,9)}
+  \cross{teal}{(8,11)}
+  \cross{teal}{(6,10)}
+  \cross{teal}{(4,9)}
+
+  \cross{green}{(6,6)}
+  \cross{green}{(7,8)}
+
+  \square{black}{(6,4)}
+  \square{black}{(5,5)}
+  \square{black}{(5,7)}
+  \square{black}{(4,7)}
+  \square{black}{(5,8)}
+  \square{black}{(7,5)}
+  \square{black}{(8,5)}
+  \square{black}{(8,6)}
+  \square{black}{(9,6)}
+  \square{black}{(8,7)}
+
+\end{tikzpicture}
+\end{document}
diff --git a/figs/hole_example.fig/hole_example_cross_decorrelated.tikz.tex b/figs/hole_example.fig/hole_example_cross_decorrelated.tikz.tex
new file mode 100644
index 0000000..113171d
--- /dev/null
+++ b/figs/hole_example.fig/hole_example_cross_decorrelated.tikz.tex
@@ -0,0 +1,63 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \cross{teal}{(5,2)}
+  \cross{teal}{(4,4)}
+  \cross{teal}{(3,6)}
+  \cross{teal}{(2,8)}
+  \cross{teal}{(7,3)}
+  \cross{teal}{(9,4)}
+  \cross{teal}{(11,5)}
+  \cross{teal}{(10,7)}
+  \cross{teal}{(9,9)}
+  \cross{teal}{(8,11)}
+  \cross{teal}{(6,10)}
+  \cross{teal}{(4,9)}
+
+  \cross{green}{(6,6)}
+  \cross{green}{(7,8)}
+
+  \square{black}{(6,4)}
+  \square{black}{(5,5)}
+  \square{black}{(5,7)}
+  \square{black}{(4,7)}
+  \square{black}{(5,8)}
+  \square{black}{(7,5)}
+  \square{black}{(8,5)}
+  \square{black}{(8,6)}
+  \square{black}{(9,6)}
+  \square{black}{(8,7)}
+
+  \cross{teal}{(13, 6)}
+  \cross{teal}{(12, 8)}
+  \cross{teal}{(11,10)}
+  \cross{teal}{(10,12)}
+  \cross{teal}{(15, 7)}
+  \cross{teal}{(17, 8)}
+  \cross{teal}{(19, 9)}
+  \cross{teal}{(18,11)}
+  \cross{teal}{(17,13)}
+  \cross{teal}{(16,15)}
+  \cross{teal}{(14,14)}
+  \cross{teal}{(12,13)}
+
+  \cross{cyan}{(15,10)}
+  \cross{cyan}{(13,11)}
+
+  \square{black}{(14,8)}
+  \square{black}{(14,9)}
+  \square{black}{(13,9)}
+  \square{black}{(16,9)}
+  \square{black}{(17,10)}
+  \square{black}{(16,11)}
+  \square{black}{(16,12)}
+  \square{black}{(15,12)}
+  \square{black}{(14,12)}
+  \square{black}{(15,13)}
+
+\end{tikzpicture}
+\end{document}
diff --git a/figs/hole_example.fig/hole_example_square.tikz.tex b/figs/hole_example.fig/hole_example_square.tikz.tex
new file mode 100644
index 0000000..4b3fb7c
--- /dev/null
+++ b/figs/hole_example.fig/hole_example_square.tikz.tex
@@ -0,0 +1,24 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \foreach\i in {0,...,8}{
+    \ttsquare{teal}{(0,2*\i)}
+    \ttsquare{teal}{(4,2*\i)}
+  }
+  \ttsquare{teal}{(2,0)}
+  \ttsquare{teal}{(2,16)}
+  \foreach\i in {1,...,6}{
+    \ttsquare{green}{(2,2*\i+1)}
+  }
+
+  \square{black}{(1.5,1.5)}
+  \square{black}{(2.5,1.5)}
+  \square{black}{(1.5,14.5)}
+  \square{black}{(2.5,14.5)}
+
+\end{tikzpicture}
+\end{document}
diff --git a/figs/hole_example.fig/libs/shapes.sty b/figs/hole_example.fig/libs/shapes.sty
new file mode 120000
index 0000000..eaa25c7
--- /dev/null
+++ b/figs/hole_example.fig/libs/shapes.sty
@@ -0,0 +1 @@
+../../libs/shapes.sty
\ No newline at end of file
diff --git a/figs/libs/Makefile b/figs/libs/Makefile
new file mode 100644
index 0000000..33b81e2
--- /dev/null
+++ b/figs/libs/Makefile
@@ -0,0 +1,28 @@
+PROJECTNAME=$(basename $(basename $(wildcard *.tikz.tex)))
+LIBS=$(notdir $(wildcard libs/*))
+
+PDFS=$(addsuffix .pdf, $(PROJECTNAME))
+
+all: $(PDFS)
+
+$(PDFS): $(LIBS)
+	echo $(LIBS)
+	pdflatex -jobname $(basename $@) -file-line-error $(patsubst %.pdf, %.tikz.tex, $@)
+
+install: $(PDFS)
+	cp $^ $(INSTALLDIR)/
+
+$(LIBS):
+	ln -fs libs/$@ ./
+
+clean-libs:
+	rm -f $(LIBS)
+
+clean-aux:
+	rm -f $(addsuffix .aux, $(PROJECTNAME))
+	rm -f $(addsuffix .log, $(PROJECTNAME))
+
+clean-tex:
+	rm -f $(PDFS)
+
+clean: clean-libs clean-aux clean-tex
diff --git a/figs/libs/shapes.sty b/figs/libs/shapes.sty
new file mode 100644
index 0000000..aee8fd3
--- /dev/null
+++ b/figs/libs/shapes.sty
@@ -0,0 +1,91 @@
+% square lattice (width #1, height #2, origin #3, spacing #4)
+\def\grid#1#2#3{
+  \foreach\i in {0,...,#2}{
+    \draw#3++(0,\i)--++(#1,0);
+  }
+  \foreach\i in {0,...,#1}{
+    \draw#3++(\i,0)--++(0,#2);
+  }
+}
+
+
+% cross (color #1, position #2)
+\def\cross#1#2{
+  \fill[color=#1]#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-1)--++(-1,0)--++(0,-1)--++(1,0)--++(0,-1)--++(1,0)--++(0,1)--++(1,0)--++(0,1)--++(-1,0);
+  \begin{scope}
+    \clip#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-1)--++(-1,0)--++(0,-1)--++(1,0)--++(0,-1)--++(1,0)--++(0,1)--++(1,0)--++(0,1)--++(-1,0);
+    \grid44{[color=white]#2++(-2,-2)}
+  \end{scope}
+  \draw[color=black]#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-1)--++(-1,0)--++(0,-1)--++(1,0)--++(0,-1)--++(1,0)--++(0,1)--++(1,0)--++(0,1)--++(-1,0);
+}
+
+% V triomino (color #1, position #2)
+\def\Vtriomino#1#2{
+  \fill[color=#1]#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-2)--++(2,0)--++(0,1)--++(-1,0);
+  \begin{scope}
+    \clip#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-2)--++(2,0)--++(0,1)--++(-1,0);
+    \grid33{[color=white]#2++(-1,-1)}
+  \end{scope}
+  \draw[color=black]#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-2)--++(2,0)--++(0,1)--++(-1,0);
+}
+
+% T tetromino (color #1, position #2)
+\def\Ttetromino#1#2{
+  \fill[color=#1]#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-3)--++(1,0)--++(0,1)--++(1,0)--++(0,1)--++(-1,0);
+  \begin{scope}
+    \clip#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-3)--++(1,0)--++(0,1)--++(1,0)--++(0,1)--++(-1,0);
+    \grid34{[color=white]#2++(-1,-2)}
+  \end{scope}
+  \draw[color=black]#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-3)--++(1,0)--++(0,1)--++(1,0)--++(0,1)--++(-1,0);
+}
+
+% L tetromino (color #1, position #2)
+\def\Ltetromino#1#2{
+  \fill[color=#1]#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-3)--++(2,0)--++(0,1)--++(-1,0)--++(0,1);
+  \begin{scope}
+    \clip#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-3)--++(2,0)--++(0,1)--++(-1,0)--++(0,1);
+    \grid34{[color=white]#2++(-1,-2)}
+  \end{scope}
+  \draw[color=black]#2++(0.5,0.5)--++(0,1)--++(-1,0)--++(0,-3)--++(2,0)--++(0,1)--++(-1,0)--++(0,1);
+}
+
+% P pentomino (color #1, position #2)
+\def\Ppentomino#1#2{
+  \fill[color=#1]#2++(1.5,1.5)--++(-2,0)--++(0,-3)--++(1,0)--++(0,1)--++(1,0)--++(0,2);
+  \begin{scope}
+    \clip#2++(1.5,1.5)--++(-2,0)--++(0,-3)--++(1,0)--++(0,1)--++(1,0)--++(0,2);
+    \grid34{[color=white]#2++(-1,-2)}
+  \end{scope}
+  \draw[color=black]#2++(1.5,1.5)--++(-2,0)--++(0,-3)--++(1,0)--++(0,1)--++(1,0)--++(0,2);
+}
+
+% 1x1 square (color #1, position #2)
+\def\square#1#2{
+  \fill[color=#1]#2++(-0.5,-0.5)--++(0,1)--++(1,0)--++(0,-1)--cycle;
+  \draw[color=black]#2++(-0.5,-0.5)--++(0,1)--++(1,0)--++(0,-1)--cycle;
+  \draw[color=white]#2++(-0.5,0)--++(1,0);
+  \draw[color=white]#2++(0,-0.5)--++(0,1);
+}
+
+% 2x2 square (color #1, position #2)
+\def\ttsquare#1#2{
+  \fill[color=#1]#2++(-1,-1)--++(0,2)--++(2,0)--++(0,-2)--cycle;
+  \draw[color=black]#2++(-1,-1)--++(0,2)--++(2,0)--++(0,-2)--cycle;
+  \draw[color=white]#2++(-0.5,-1)--++(0,2);
+  \draw[color=white]#2++(0.5,-1)--++(0,2);
+  \draw[color=white]#2++(-1,-0.5)--++(2,0);
+  \draw[color=white]#2++(-1,0.5)--++(2,0);
+}
+\def\ttsquareempty#1{
+  \draw[color=black]#1++(-1,-1)--++(0,2)--++(2,0)--++(0,-2)--cycle;
+}
+
+% diamond (color #1, position #2)
+\def\diamond#1#2{
+  \fill[color=#1]#2++(0,-1)--++(1,1)--++(-1,1)--++(-1,-1)--cycle;
+  \begin{scope}
+    \clip#2++(0,-1)--++(1,1)--++(-1,1)--++(-1,-1)--cycle;
+    \grid22{[color=white]#2++(-1,-1)}
+  \end{scope}
+  \draw[color=black]#2++(0,-1)--++(1,1)--++(-1,1)--++(-1,-1)--cycle;
+}
diff --git a/figs/packings.fig/Makefile b/figs/packings.fig/Makefile
new file mode 120000
index 0000000..704310e
--- /dev/null
+++ b/figs/packings.fig/Makefile
@@ -0,0 +1 @@
+../libs/Makefile
\ No newline at end of file
diff --git a/figs/packings.fig/cross_packing_l.tikz.tex b/figs/packings.fig/cross_packing_l.tikz.tex
new file mode 100644
index 0000000..b7b6b74
--- /dev/null
+++ b/figs/packings.fig/cross_packing_l.tikz.tex
@@ -0,0 +1,14 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \foreach \k in {0,...,3}{
+    \foreach \l in {0,...,3}{
+      \cross{teal}{(-2*\l,\l)++(\k,2*\k)}
+    }
+  }
+\end{tikzpicture}
+\end{document}
diff --git a/figs/packings.fig/cross_packing_r.tikz.tex b/figs/packings.fig/cross_packing_r.tikz.tex
new file mode 100644
index 0000000..1332a68
--- /dev/null
+++ b/figs/packings.fig/cross_packing_r.tikz.tex
@@ -0,0 +1,14 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+  \foreach \k in {0,...,3}{
+    \foreach \l in {0,...,3}{
+      \cross{teal}{(-\l,2*\l)++(2*\k,\k)}
+    }
+  }
+\end{tikzpicture}
+\end{document}
diff --git a/figs/packings.fig/libs/shapes.sty b/figs/packings.fig/libs/shapes.sty
new file mode 120000
index 0000000..eaa25c7
--- /dev/null
+++ b/figs/packings.fig/libs/shapes.sty
@@ -0,0 +1 @@
+../../libs/shapes.sty
\ No newline at end of file
diff --git a/figs/shapes.fig/L_tetromino.tikz.tex b/figs/shapes.fig/L_tetromino.tikz.tex
new file mode 100644
index 0000000..5c82766
--- /dev/null
+++ b/figs/shapes.fig/L_tetromino.tikz.tex
@@ -0,0 +1,11 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid34{(-1,-2)}
+\Ltetromino{teal}{(0,0)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/shapes.fig/Makefile b/figs/shapes.fig/Makefile
new file mode 120000
index 0000000..704310e
--- /dev/null
+++ b/figs/shapes.fig/Makefile
@@ -0,0 +1 @@
+../libs/Makefile
\ No newline at end of file
diff --git a/figs/shapes.fig/P_pentomino.tikz.tex b/figs/shapes.fig/P_pentomino.tikz.tex
new file mode 100644
index 0000000..9ef3990
--- /dev/null
+++ b/figs/shapes.fig/P_pentomino.tikz.tex
@@ -0,0 +1,11 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid34{(-1,-2)}
+\Ppentomino{teal}{(0,0)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/shapes.fig/T_tetromino.tikz.tex b/figs/shapes.fig/T_tetromino.tikz.tex
new file mode 100644
index 0000000..087e809
--- /dev/null
+++ b/figs/shapes.fig/T_tetromino.tikz.tex
@@ -0,0 +1,11 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid34{(-1,-2)}
+\Ttetromino{teal}{(0,0)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/shapes.fig/V_triomino.tikz.tex b/figs/shapes.fig/V_triomino.tikz.tex
new file mode 100644
index 0000000..ba07c5f
--- /dev/null
+++ b/figs/shapes.fig/V_triomino.tikz.tex
@@ -0,0 +1,11 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid33{(-1,-1)}
+\Vtriomino{teal}{(0,0)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/shapes.fig/cross.tikz.tex b/figs/shapes.fig/cross.tikz.tex
new file mode 100644
index 0000000..ef5f391
--- /dev/null
+++ b/figs/shapes.fig/cross.tikz.tex
@@ -0,0 +1,11 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid44{(-2,-2)}
+\cross{teal}{(0,0)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/shapes.fig/diamond.tikz.tex b/figs/shapes.fig/diamond.tikz.tex
new file mode 100644
index 0000000..6d9eaa4
--- /dev/null
+++ b/figs/shapes.fig/diamond.tikz.tex
@@ -0,0 +1,11 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid44{(-2,-2)}
+\diamond{teal}{(0,0)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/shapes.fig/hexagon.tikz.tex b/figs/shapes.fig/hexagon.tikz.tex
new file mode 100644
index 0000000..a23b7dc
--- /dev/null
+++ b/figs/shapes.fig/hexagon.tikz.tex
@@ -0,0 +1,37 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+
+\draw(0,0)--++(2,0);
+\draw(120:1)--++(3,0);
+\draw(120:2)--++(4,0);
+\draw(120:2)++(60:1)--++(3,0);
+\draw(120:2)++(60:2)--++(2,0);
+
+\draw(0,0)--++(60:4);
+\draw(1,0)--++(60:3);
+\draw(2,0)--++(60:2);
+\draw(120:1)--++(60:3);
+\draw(120:2)--++(60:2);
+
+\draw(0,0)--++(120:2);
+\draw(1,0)--++(120:3);
+\draw(2,0)--++(120:4);
+\draw(2,0)++(60:1)--++(120:3);
+\draw(2,0)++(60:2)--++(120:2);
+
+\fill[color=teal](60:1)--++(0:1)--++(60:1)--++(120:1)--++(180:1)--++(240:1)--++(300:1)--cycle;
+
+\draw[color=white](60:1)--++(60:2);
+\draw[color=white](60:1)++(1,0)--++(120:2);
+\draw[color=white](60:1)++(120:1)--++(2,0);
+
+\draw(60:1)--++(0:1)--++(60:1)--++(120:1)--++(180:1)--++(240:1)--++(300:1)--cycle;
+
+
+\end{tikzpicture}
+\end{document}
diff --git a/figs/shapes.fig/libs/shapes.sty b/figs/shapes.fig/libs/shapes.sty
new file mode 120000
index 0000000..eaa25c7
--- /dev/null
+++ b/figs/shapes.fig/libs/shapes.sty
@@ -0,0 +1 @@
+../../libs/shapes.sty
\ No newline at end of file
diff --git a/figs/square_packing.fig/Makefile b/figs/square_packing.fig/Makefile
new file mode 120000
index 0000000..704310e
--- /dev/null
+++ b/figs/square_packing.fig/Makefile
@@ -0,0 +1 @@
+../libs/Makefile
\ No newline at end of file
diff --git a/figs/square_packing.fig/libs/shapes.sty b/figs/square_packing.fig/libs/shapes.sty
new file mode 120000
index 0000000..eaa25c7
--- /dev/null
+++ b/figs/square_packing.fig/libs/shapes.sty
@@ -0,0 +1 @@
+../../libs/shapes.sty
\ No newline at end of file
diff --git a/figs/square_packing.fig/square_packing.tikz.tex b/figs/square_packing.fig/square_packing.tikz.tex
new file mode 100644
index 0000000..297e72e
--- /dev/null
+++ b/figs/square_packing.fig/square_packing.tikz.tex
@@ -0,0 +1,20 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\foreach \i in {0,...,3}{
+  \ttsquare{teal}{(2*\i,0)}
+  \ttsquare{teal}{(2*\i,2)}
+  \ttsquare{teal}{(2*\i,4)}
+}
+\grid86{[color=red, dashed](-1,-1)}
+\foreach \i in {0,...,3}{
+  \ttsquareempty{(2*\i,0)}
+  \ttsquareempty{(2*\i,2)}
+  \ttsquareempty{(2*\i,4)}
+}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/square_packing.fig/square_packing_slide.tikz.tex b/figs/square_packing.fig/square_packing_slide.tikz.tex
new file mode 100644
index 0000000..c02485a
--- /dev/null
+++ b/figs/square_packing.fig/square_packing_slide.tikz.tex
@@ -0,0 +1,25 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\clip(-1.01,-1.01)--(7.01,-1.01)--(7.01,5.01)--(-1.01,5.01)--cycle;
+\foreach \i in {0,...,3}{
+  \ttsquare{teal}{(2*\i,0)}
+  \ttsquare{teal}{(2*\i+1,2)}
+  \ttsquare{teal}{(2*\i,4)}
+}
+\ttsquare{teal}{(-1,2)}
+
+\grid86{[color=red, dashed](-1,-1)}
+
+\foreach \i in {0,...,3}{
+  \ttsquareempty{(2*\i,0)}
+  \ttsquareempty{(2*\i+1,2)}
+  \ttsquareempty{(2*\i,4)}
+}
+\ttsquareempty{(-1,2)}
+\end{tikzpicture}
+\end{document}
diff --git a/figs/square_sliding.fig/Makefile b/figs/square_sliding.fig/Makefile
new file mode 120000
index 0000000..704310e
--- /dev/null
+++ b/figs/square_sliding.fig/Makefile
@@ -0,0 +1 @@
+../libs/Makefile
\ No newline at end of file
diff --git a/figs/square_sliding.fig/libs/shapes.sty b/figs/square_sliding.fig/libs/shapes.sty
new file mode 120000
index 0000000..eaa25c7
--- /dev/null
+++ b/figs/square_sliding.fig/libs/shapes.sty
@@ -0,0 +1 @@
+../../libs/shapes.sty
\ No newline at end of file
diff --git a/figs/square_sliding.fig/square_sliding.tikz.tex b/figs/square_sliding.fig/square_sliding.tikz.tex
new file mode 100644
index 0000000..b63a58d
--- /dev/null
+++ b/figs/square_sliding.fig/square_sliding.tikz.tex
@@ -0,0 +1,17 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+
+\fill[color=red](-1,1)--++(0,5)--++(2,0)--++(0,-5)--cycle;
+
+\grid{8}{15}{(-4,-4)}
+
+\ttsquare{teal}{(0,0)}
+\ttsquare{teal}{(0,7)}
+
+\end{tikzpicture}
+\end{document}
diff --git a/figs/square_sliding.fig/square_sliding_contra.tikz.tex b/figs/square_sliding.fig/square_sliding_contra.tikz.tex
new file mode 100644
index 0000000..61ea43d
--- /dev/null
+++ b/figs/square_sliding.fig/square_sliding_contra.tikz.tex
@@ -0,0 +1,25 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+
+\grid{8}{15}{(-4,-4)}
+
+\ttsquare{teal}{(0,0)}
+\ttsquare{teal}{(0,7)}
+
+\ttsquare{cyan}{( 0, 2)}
+\ttsquare{cyan}{( 0,-2)}
+\ttsquare{cyan}{( 2, 0)}
+\ttsquare{cyan}{(-2, 0)}
+
+\ttsquare{cyan}{( 0, 9)}
+\ttsquare{cyan}{( 0, 5)}
+\ttsquare{cyan}{( 2, 7)}
+\ttsquare{cyan}{(-2, 7)}
+
+\end{tikzpicture}
+\end{document}
-- 
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