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<html>
<head>
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<title>OpenSCAD CheatSheet</title>
</head>
<body>
<header>
<h1>OpenSCAD CheatSheet</h1>
<h2>v2015.03 </h2>
</header>
<section name="objects">
<h1>Object construction and Rendering</h1>
<section>
<article>
<h2>2D</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#circle"
>circle</a>(r | d)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Importing_Geometry#import"
>import</a>("….dxf")</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#square"
>square</a>(size | [width,height],center)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#polygon"
>polygon</a>(points, paths?,convexity?)</code>
<code><a href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Text"
>text</a>(t, size, font, halign, valign,
spacing,direction, language,
script)</code>
</article>
<article>
<h2>3D</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Primitive_Solids#cylinder"
>cylinder</a>(h,r|d, r1|d1,r2|d2, center)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Primitive_Solids#cube"
>cube</a>(size | [width,depth,height], center)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Importing_Geometry#import"
>import</a>("….stl")</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Primitive_Solids#polyhedron"
>polyhedron</a>(points, faces, convexity)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#Render"
>render</a>(convexity)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Primitive_Solids#sphere"
>sphere</a>(r | d)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#Surface"
>surface</a>(file = "….dat",center,convexity)</code>
</article>
<article>
<h2>2D to/from 3D</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#Linear_Extrude"
>linear_extrude</a>(height,center,convexity,twist,slices,scale)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#3D_to_2D_Projection"
>projection</a>(cut)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#Rotate_Extrude"
>rotate_extrude</a>(convexity)</code>
</article>
</section>
<section>
<article>
<h2>Transformations</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#color"
>color</a>("colorname")</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#color"
>color</a>([r,g,b,a])</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#hull"
>hull</a>()</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#minkowski"
>minkowski</a>()</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#mirror"
>mirror</a>([x,y,z])</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#multmatrix"
>multmatrix</a>(m)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#offset"
>offset</a>(r|delta,chamfer)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#resize"
>resize</a>([x,y,z],auto)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#rotate"
>rotate</a>([x,y,z])</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#scale"
>scale</a>([x,y,z])</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#translate"
>translate</a>([x,y,z])</code>
</article>
<article>
<h2>Boolean operations</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/CSG_Modelling#union"
>union</a>()</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/CSG_Modelling#difference"
>difference</a>()</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/CSG_Modelling#intersection"
>intersection</a>()</code>
</article>
</section>
<section>
<article>
<h2>Rendering control</h2>
<dl>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#.24fa.2C_.24fs_and_.24fn"
>$fa</a></code></dt>
<dd>minimum angle</dd>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#.24fa.2C_.24fs_and_.24fn"
>$fs</a></code></dt>
<dd>minimum size</dd>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#.24fa.2C_.24fs_and_.24fn"
>$fn</a></code></dt>
<dd>number of fragments</dd>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#.24t"
>$t</a></code></dt>
<dd>animation step</dd>
</dl>
</article>
<article>
<h2>Render Modifiers</h2>
<dl>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Modifier_Characters#Disable_Modifier"
>*</a></code></dt>
<dd>disable</dd>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Modifier_Characters#Root_Modifier"
>!</a></code></dt>
<dd>show only</dd>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Modifier_Characters#Debug_Modifier"
>#</a></code></dt>
<dd>highlight</dd>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Modifier_Characters#Background_Modifier"
>%</a></code></dt>
<dd>transparent</dd>
</dl>
</article>
<article>
<h2>Viewpoint control</h2>
<dl>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#.24vpr.2C_.24vpt_and_.24vpd"
>$vpr</a></code></dt>
<dd>viewport rotation angles in degrees</dd>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#.24vpr.2C_.24vpt_and_.24vpd"
>$vpt</a></code></dt>
<dd>viewport translation</dd>
<dt><code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#.24vpr.2C_.24vpt_and_.24vpd"
>$vpd</a></code></dt>
<dd>viewport camera distance</dd>
</dl>
</article>
</section>
</section>
<section>
<h1>Syntax</h1>
<section>
<article>
<h2>Basic Syntax</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Variables"
>variable</a> = expression;</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#let"
>let</a>( name= expresssion, ..) </code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#expressions"
>expression</a>
</code>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Comments"
>comments</a> // and /* .. */ </code>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Numbers"
>numbers</a> floats,PI,inf,nan, </code>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Boolean_values"
>booleans </a> true, false </code>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Strings"
>strings</a> "chars" </code>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Vectors"
>vectors</a> [exp, ..] </code>
<code><a href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Ranges"
>ranges</a> [start:inc:end] </code>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#The_Undefined_Value"
> undefined value</a> undef </code>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Operators"
>Scalar operators</a> +,-,*,/,%</code>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/The_OpenSCAD_Language#Vector-Number_Operators"
>Vector and Matrix operators</a> +,-,*,/</code>
<code><a href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/The_OpenSCAD_Language#Relational_Operators">Relational operators</a> ==,!=,<,<=,> >=</code>
<code><a href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/The_OpenSCAD_Language#Logical_Operators">>Logical operators</a>&&, || </code>
<code><a href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/The_OpenSCAD_Language#Conditional_Operator">Conditional Expression</a> boolexp ? trueexp: faseexp</code>
</article>
<article>
<h2>Modules</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Modules#children"
>children</a>([idx])</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Modules#children"
>$children</a></code>
<code><a href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Modules"
>module declaration</a>name(…) { … }</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#parent_module.28n.29_and_.24parent_modules"
>parent_module</a>(idx)</code>
</article>
<article>
<h2>Functions</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/User-Defined_Functions"
>function declaration</a> name(…) = … ;</code>
</article>
</section>
<section> </section>
<section>
<article>
<h2>Control structures</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Conditional_and_Iterator_Functions#If_Statement"
>if</a> (…) { … }</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Conditional_and_Iterator_Functions#For_Loop"
>for</a> (i = [<span>start</span>:<span>end</span>]) { … }</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Conditional_and_Iterator_Functions#For_Loop"
>for</a> (i = [<span>start</span>:<span>step</span>:<span>end</span>]) {
… }</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Conditional_and_Iterator_Functions#For_Loop"
>for</a> (i = […,…,…]) { … }</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Conditional_and_Iterator_Functions#Intersection_For_Loop"
>intersection_for</a>(i = [<span>start</span>:<span>end</span>]) { …
}</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Conditional_and_Iterator_Functions#Intersection_For_Loop"
>intersection_for</a>(i =
[<span>start</span>:<span>step</span>:<span>end</span>]) { … }</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Conditional_and_Iterator_Functions#Intersection_For_Loop"
>intersection_for</a>(i = […,…,…]) { … }</code>
</article>
</section>
<section>
<article>
<h2>List Comprehensions</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/List_Comprehensions#for"
>Generate</a> [ for (i = <i>range</i>|<i>list</i>) i ]</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/List_Comprehensions#if"
>Conditions</a> [ for (i = …) if (condition(i)) i ] </code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/List_Comprehensions#let"
>Assignments</a> [ for (i = …) let (assignments) a ] </code>
</article>
<article>
<h2>Libaries</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Include_Statement"
>include</a> <….scad></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Include_Statement"
>use</a> <….scad></code>
</article>
</section>
</section>
<section>
<h1>Functions</h1>
<section>
<article>
<h2>Trigononetric Functions</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#cos"
>cos</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#sin"
>sin</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#tan"
>tan</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#acos"
>acos</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#asin"
>asin</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#atan"
>atan</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#atan2"
>atan2</a></code>
</article>
</section>
<section>
<article>
<h2>Mathematical Functions</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#abs"
>abs</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#ceil"
>ceil</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#exp"
>exp</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#floor"
>floor</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#log"
>log</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#ln"
>ln</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#max"
>max</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#min"
>min</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#min"
><s>mod</s></a> see %</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#pow"
>pow</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#rands"
>rands</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#round"
>round</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#sign"
>sign</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#sqrt"
>sqrt</a></code>
</article>
</section>
<section>
<article>
<h2>String Functions</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#len"
>len</a> length of string</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/String_Functions#str"
>str</a> concatenates</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/String_Functions#chr"
>chr</a> unicode to char</code>
</article>
<article>
<h2>Array Functions</h2>
<code><a
href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/The_OpenSCAD_Language#concat"
>concat</a> concatenate arrays</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#cross"
>cross</a>cross product</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#len"
>len</a>length of array</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#lookup"
>lookup</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Mathematical_Functions#norm"
>norm</a> magnitude of vector</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#Search"
>search</a></code>
</article>
<article>
<h2>System functions</h2>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#Echo_Statements"
>echo</a>(exp,exp)</code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#OpenSCAD_Version"
>version</a></code>
<code><a
href="https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#OpenSCAD_Version"
>version_num</a></code>
</article>
</section>
<br clear="all" />
<section>
<article class="info">
<em>Links:</em>
<a href="http://www.openscad.org/" target="_blank">Official website</a> |
<a href="https://github.com/openscad/openscad" target="_blank">Code</a> |
<a href="https://github.com/openscad/openscad/issues" target="_blank">Issues</a> |
<a href="http://en.wikibooks.org/wiki/OpenSCAD_User_Manual" target="_blank">Manual</a> |
<a href="http://files.openscad.org/examples/Basics/CSG-modules.html" target="_blank">Examples</a> |
<a href="https://github.com/openscad/MCAD "target="_blank">MCAD library</a> |
<a href="http://forum.openscad.org/" target="_blank">Forum</a> |
<a href="http://fablabamersfoort.nl/book/openscad" target="_blank">Fablab</a>
</article>
</section>
</section>
<footer>
<a href="https://github.com/openscad/openscad.github.com/tree/master/cheatsheet"
target="_blank">Edit me on GitHub!</a><br /> By <a
href="http://www.peteruithoven.nl/" target="_blank">Peter Uithoven</a> @ <a
href="http://www.fablabamersfoort.nl/" target="_blank">Fablab Amersfoort</a> (<a
href="http://freedomdefined.org/Licenses/CC-BY" target="_blank">CC-BY</a>) </footer>
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