Help & OpenSCAD Cheat Sheet

Welcome to SCADLite, a completely offline, browser-based OpenSCAD environment. Below you'll find quick keyboard shortcuts, compatibility notes, and the OpenSCAD Cheat Sheet, which contains a helpful OpenSCAD modeling syntax references.

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Keyboard Shortcuts

• [F1] : Toggle Help and OpenSCAD Cheat Sheet Menu
• [Ctrl] + [,] : Toggle Workspace Settings
• [F5] or [Ctrl] + [Enter] : Preview Model
• [F6] : Render Model
• [F7] : Export to STL/3MF
• [Ctrl] + [S] : Download Editor Cache as .scad Text File
• [Ctrl] + [O] : Open .scad File

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OpenSCAD Cheat Sheet

Scroll down for syntax. Click to highlight, then copy and paste directly into the editor.

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Syntax & Includes

var = value;
module name(...) { ... }
name();
function name(...) = ...;
include <filename.scad>
use <filename.scad>

2D Shapes

circle(radius | d=diameter);
square(size, center);
square([width, height], center);
polygon([points]);
polygon([points], [paths]);
text(text, size, font, halign, valign, spacing, direction, language, script);

3D Shapes

sphere(radius | d=diameter);
cube(size, center);
cube([width, depth, height], center);
cylinder(h, r|d, center);
cylinder(h, r1|d1, r2|d2, center);
polyhedron(points, faces, convexity);

Transformations

translate([x, y, z])
rotate([x, y, z])
rotate(a, [x, y, z])
scale([x, y, z])
resize([x, y, z], auto)
mirror([x, y, z])
multmatrix(m)
color("colorname", alpha)
color([r, g, b, a])
offset(r|delta, chamfer)
hull()
minkowski()

Boolean Operations

union()
difference()
intersection()

Extrusion & Projection

linear_extrude(height, center, convexity, twist, slices, scale, $fn, $fa, $fs)
rotate_extrude(angle, convexity, $fn, $fa, $fs)
projection(cut)
surface(file, center, invert, convexity)

Modifiers

* Disable (ignores the subtree)
! Show only (ignores everything else)
# Highlight (draws in transparent pink)
% Transparent (draws in transparent gray)

Loops & Conditionals

for (i = [start:end]) { ... }
for (i = [start:step:end]) { ... }
for (i = [...]) { ... }
intersection_for(i = [start:end]) { ... }
if (...) { ... } else { ... }

List Comprehensions

[ for (i = range|list) i ]
[ for (i = ...) if (condition(i)) i ]
[ for (i = ...) let (a = ...) a ]

Math & String Functions

abs(), sign(), sin(), cos(), tan(), acos(), asin(), atan(), atan2()
floor(), round(), ceil(), ln(), len(), let(), log(), pow(), sqrt(), exp()
rands(), min(), max(), norm(), cross(), concat(), lookup()
str(), chr(), ord(), search(), version(), version_num(), parent_module()

Other

echo(...)
render(convexity)
import("....ext")

Special Variables

$fa Minimum angle
$fs Minimum size
$fn Number of fragments
$t Animation step
$vpr Viewport rotation
$vpt Viewport translation
$vpd Viewport camera distance
$children Number of module children

* OpenSCAD Cheat Sheet content adapted from the OpenSCAD CheatSheet by Peter Uithoven @ Fablab Amersfoort, licensed under CC-BY.