ImplicitCAD Documentation

======================

ImplicitCAD Primitives

sphere

Examples:

• sphere(3);
• sphere(r=5);

Arguments:

• r radius of the sphere

cube

Examples:

• cube(size = [2,3,4], center = true, r = 0.5);
• cube(4);

Shared Arguments:

• r = 0.0 radius of rounding

Syntax 1

Arguments:

• x x or x-interval
• y y or y-interval
• z z or z-interval
• center = False should center? (non-intervals)
• size cube size
• center = False should center?

square

Examples:

• square(x=[-2,2], y=[-1,5]);
• square(size = [3,4], center = true, r = 0.5);
• square(4);

Shared Arguments:

• r = 0.0 radius of rounding

Syntax 1

Arguments:

• x x or x-interval
• y y or y-interval
• center = False should center? (non-intervals)
• size square size
• center = False should center?

cylinder

Examples:

• cylinder(r=10, h=30, center=true);
• cylinder(r1=4, r2=6, h=10);
• cylinder(r=5, h=10, $fn = 6);

Arguments:

• r = 1.0 radius of cylinder
• h = 1.0 height of cylinder
• r1 = 1.0 bottom radius; overrides r
• r2 = 1.0 top radius; overrides r
• $fn = -1.0 number of sides, for making prisms
• center = False center cylinder with respect to z?

circle

Examples:

• circle(r=10); // circle
• circle(r=5, $fn=6); //hexagon

Arguments:

• r radius of the circle
• $fn = -1.0 if defined, makes a regular polygon with n sides instead of a circle

polygon

Examples:

• polygon ([(0,0), (0,10), (10,0)]);

Arguments:

• points vertices of the polygon
• paths = [] order to go through vertices; ignored for now
• r = 0.0 rounding of the polygon corners; ignored for now

union

Arguments:

• r = 0.0 Radius of rounding for the union interface

difference

Arguments:

• r = 0.0 Radius of rounding for the difference interface

intersection

Arguments:

• r = 0.0 Radius of rounding for the intersection interface

translate

Examples:

• translate ([2,3]) circle (4);
• translate ([5,6,7]) sphere(5);

Syntax 1

Arguments:

• x x amount to translate
• y y amount to translate
• z = 0.0 z amount to translate
• v vector to translate by

scale

Examples:

• scale(2) square(5);
• scale([2,3]) square(5);
• scale([2,3,4]) cube(5);

Arguments:

• v vector or scalar to scale by

rotate

Arguments:

• a value to rotate by; angle or list of angles
• v = [0.0,0.0,1.0] Vector to rotate around if a is a single angle

linear_extrude

Examples:

• linear_extrude(10) square(5);

Arguments:

• height = 1.0 height to extrude to...
• center = False center? (the z component)
• twist = Undefined twist as we extrude, either a total amount to twist or a function...
• scale = Undefined scale according to this funciton as we extrude...
• translate = Undefined translate according to this funciton as we extrude...
• r = 0.0 round the top?

pack

Examples:

• pack ([45,45], sep=2) { circle(10); circle(10); circle(10); circle(10); }

Arguments:

• size size of 2D box to pack objects within
• sep mandetory space between objects

shell

Arguments:

• w width of the shell...

rotate_extrude

Examples:

• rotate_extrude() translate(20) circle(10);

Arguments:

• a = 360.0 angle to sweep
• r = 0.0
• translate = [0.0,0.0]
• rotate = 0.0

unit

Examples:

• unit("inch") {..}

Arguments:

• unit the unit you wish to work in