FUNCIONES BÁSICAS

 HOJA DE FUNCIONES  https://openscad.org/cheatsheet/index.html?version=2021.01

OpenSCAD

 

v2021.01

Syntax

var = value;var = cond ? value_if_true : value_if_false;var = function (x) x + x;module name(…) { … }
name();function name(…) = …
name();include <….scad>use <….scad>

Constants

undef

undefined value

PI

mathematical constant π (~3.14159)

Operators

n + m

Addition

n - m

Subtraction

n * m

Multiplication

n / m

Division

n % m

Modulo

n ^ m

Exponentiation

n < m

Less Than

n <= m

Less or Equal

b == c

Equal

b != c

Not Equal

n >= m

Greater or Equal

n > m

Greater Than

b && c

Logical And

b || c

Logical Or

!b

Negation

Special variables

$fa

minimum angle

$fs

minimum size

$fn

number of fragments

$t

animation step

$vpr

viewport rotation angles in degrees

$vpt

viewport translation

$vpd

viewport camera distance

$vpf

viewport camera field of view

$children

 number of module children

$preview

 true in F5 preview, false for F6

Modifier Characters

*

disable

!

show only

#

highlight / debug

%

transparent / background

2D

circle(radius | d=diameter)square(size,center)square([width,height],center)polygon([points])polygon([points],[paths])text(t, size, font,
     halign, valign, spacing,
     direction, language, script)import("….ext", convexity)projection(cut)

3D

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)import("….ext", convexity)linear_extrude(height,center,convexity,twist,slices)rotate_extrude(angle,convexity)surface(file = "….ext",center,convexity)

Transformations

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

Lists

list = […, …, …];

  create a list

var = list[2];

  index a list (from 0)

var = list.z;

  dot notation indexing (x/y/z)

Boolean operations

union()difference()intersection()

List Comprehensions

Generate [ for (i = range|list) i ]Generate [ for (init;condition;next) i ]Flatten [ each i ]Conditions [ for (i = …) if (condition(i)) i ]Conditions [ for (i = …) if (condition(i)) x else y ]Assignments [ for (i = …) let (assignments) a ]

Flow Control

for (i = [start:end]) { … }for (i = [start:step:end]) { … }for (i = […,…,…]) { … }for (i = …, j = …, …) { … }intersection_for(i = [start:end]) { … }intersection_for(i = [start:step:end]) { … }intersection_for(i = […,…,…]) { … }if (…) { … }let (…) { … }

Type test functions

is_undefis_boolis_numis_stringis_listis_function

Other

echo(…)render(convexity)children([idx])assert(condition, message)assign (…) { … }

Functions

concatlookupstrchrordsearchversionversion_numparent_module(idx)

Mathematical

abssignsincostanacosasinatanatan2floorroundceillnlenletlogpowsqrtexprandsminmaxnormcross