46 lines
1.2 KiB
OpenSCAD
46 lines
1.2 KiB
OpenSCAD
// OSHW Logo Generator
|
|
// Open Source Hardware Logo : http://oshwlogo.com/
|
|
// -------------------------------------------------
|
|
//
|
|
// Adapted from Adrew Plumb/ClothBot original version
|
|
// just change internal parameters to made dimension control easier
|
|
// a single parameter : logo diameter (millimeters)
|
|
//
|
|
// oshw_logo_2D(diameter) generate a 2D logo with diameter requested
|
|
// just have to extrude to get a 3D version, then add it to your objects
|
|
//
|
|
// cc-by-sa, pierre-alain dorange, july 2012
|
|
|
|
// Increase the resolution of default shapes
|
|
$fa = 5; // Minimum angle for fragments [degrees]
|
|
$fs = 0.5; // Minimum fragment size [mm]
|
|
|
|
module gear_tooth_2d(d) {
|
|
polygon( points=[
|
|
[0.0,10.0*d/72.0], [0.5*d,d/15.0],
|
|
[0.5*d,-d/15.0], [0.0,-10.0*d/72.0] ] );
|
|
}
|
|
|
|
module oshw_logo_2d(d=10.0) {
|
|
rotate(-135) {
|
|
difference() {
|
|
union() {
|
|
circle(r=14.0*d/36.0);
|
|
for(i=[1:7]) assign(rotAngle=45*i+45)
|
|
rotate(rotAngle) gear_tooth_2d(d);
|
|
}
|
|
circle(r=10.0*d/72.0);
|
|
intersection() {
|
|
rotate(-20) square(size=[10.0*d/18.0,10.0*d/18.0]);
|
|
rotate(20) square(size=[10.0*d/18.0,10.0*d/18.0]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// usage : oshw_logo_2d(diameter)
|
|
|
|
//linear_extrude(height=2)
|
|
oshw_logo_2d(25);
|
|
|