diff --git a/.gitignore b/.gitignore
index c795b05..796b96d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-build
\ No newline at end of file
+/build
diff --git a/docs/figures/build/main.svg b/docs/figures/build/main.svg
new file mode 100644
index 0000000..f344bb2
--- /dev/null
+++ b/docs/figures/build/main.svg
@@ -0,0 +1,21 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<!-- This file was generated by dvisvgm 3.0.3 -->
+<svg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='48.0196pt' height='95.6407pt' viewBox='-72.00005 -72.00005 48.0196 95.6407'>
+<defs>
+<font id='cmr5' horiz-adv-x='0'>
+<font-face font-family='cmr5' units-per-em='1000' ascent='750' descent='250'/>
+<glyph unicode='A' horiz-adv-x='980' vert-adv-y='980' glyph-name='A' d='M525 690C517 708 514 716 490 716C472 716 464 712 455 692L197 103C175 53 121 44 71 44V0C108 3 150 4 187 4C200 4 271 3 317 0V44C261 44 241 69 241 88C241 94 243 97 246 105L298 223H619L680 83C686 71 686 69 686 68C686 44 629 44 600 44V0C639 1 714 4 762 4C813 4 867 2 909 0V44H883C821 44 806 50 794 77L525 690ZM458 589L600 267H317L458 589Z'/>
+<glyph unicode='L' horiz-adv-x='830' vert-adv-y='830' glyph-name='L' d='M750 271H708C693 155 667 44 472 44H349C300 44 300 51 300 82V597C300 628 300 639 396 639H439V683C383 679 309 679 252 679C190 679 134 681 83 683V639H113C194 639 194 629 194 598V85C194 54 194 44 113 44H83V0H717L750 271Z'/>
+<glyph unicode='U' horiz-adv-x='980' vert-adv-y='980' glyph-name='U' d='M786 572C786 598 786 639 897 639V683C848 680 778 679 764 679C740 679 676 680 631 683V639C742 639 742 598 742 572V233C742 100 630 22 506 22C439 22 300 51 300 229V598C300 629 300 639 381 639H411V683C366 681 304 679 247 679S128 681 83 683V639H113C194 639 194 629 194 598V231C194 84 339-22 504-22C662-22 786 90 786 230V572Z'/>
+</font>
+</defs>
+<style type='text/css'>
+<![CDATA[text.f0 {font-family:cmr5;font-size:4.98132px}
+]]>
+</style>
+<g id='page1'>
+<path d='M-63.8633-63.8633L-32.1172-40.0547V-8.3047L-63.8633 15.5039V-8.3047L-47.988281-24.179687L-63.8633-40.0547Z' stroke='#000' fill='none' stroke-width='.797'/>
+<path d='M-63.8633 3.6016H-71.8008M-63.8633-51.9609H-71.8008M-32.1172-24.179687H-24.1797M-47.988281 3.6016V23.4414M-47.988281-51.9609V-71.8008' stroke='#000' fill='none' stroke-width='.3985' stroke-miterlimit='10'/>
+<text class='f0' x='-44.604097' y='-24.179651' transform='matrix(0 -1 1 0 -14.1805 -61.8305)'>ALU</text>
+</g>
+</svg>
\ No newline at end of file
diff --git a/docs/figures/main.tex b/docs/figures/main.tex
new file mode 100644
index 0000000..3686962
--- /dev/null
+++ b/docs/figures/main.tex
@@ -0,0 +1,11 @@
+\documentclass{standalone}
+\usepackage{circuitikz}
+
+\begin{document}
+\begin{circuitikz}
+	\tikzset{alu/.style={muxdemux,
+		muxdemux def={Lh=5, NL=2, Rh=2, NR=1, NB=1, NT=1, w=2,
+			inset w=1, inset Lh=2, inset Rh=0, square pins=1}}}
+	\node [alu, font=\tiny] at (0, 0) {\rotatebox{90}{\tiny ALU}};
+\end{circuitikz}
+\end{document}