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Added various options for creating toruses.

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Revar Desmera 2018-09-04 10:10:14 -07:00
parent 746b85da4d
commit 366459cb04
1 changed files with 22 additions and 8 deletions
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30
shapes.scad
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@ -357,7 +357,7 @@ module trapezoid(size1=[1,1], size2=[1,1], h=1, center=false)
} }
// Makes a 2D teardrop shape. Useful for 3D printable holes. // Makes a 2D teardrop shape. Useful for extruding into 3D printable holes.
// r = radius of circular part of teardrop. (Default: 1) // r = radius of circular part of teardrop. (Default: 1)
// d = diameter of spherical portion of bottom. (Use instead of r) // d = diameter of spherical portion of bottom. (Use instead of r)
// ang = angle of hat walls from the Y axis. (Default: 45 degrees) // ang = angle of hat walls from the Y axis. (Default: 45 degrees)
@ -447,16 +447,30 @@ module tube(h=1, r=1, r1=undef, r2=undef, d=undef, d1=undef, d2=undef, wall=0.1,
} }
// Creates a torus with a given outer radius and inner radius. // Creates a torus shape.
// or = outer radius of the torus. // r = major radius of torus ring. (use with of 'r2', or 'd2')
// ir = inside radius of the torus. // r2 = minor radius of torus ring. (use with of 'r', or 'd')
// d = major diameter of torus ring. (use with of 'r2', or 'd2')
// d2 = minor diameter of torus ring. (use with of 'r', or 'd')
// or = outer radius of the torus. (use with 'ir', or 'id')
// ir = inside radius of the torus. (use with 'or', or 'od')
// od = outer diameter of the torus. (use with 'ir' or 'id')
// id = inside diameter of the torus. (use with 'or' or 'od')
// Example: // Example:
// torus(r=30, r2=5);
// torus(d=50, r2=5);
// torus(d=60, d2=15);
// torus(od=60, ir=15);
// torus(or=30, ir=20, $fa=1, $fs=1); // torus(or=30, ir=20, $fa=1, $fs=1);
module torus(or=1, ir=0.5) module torus(or=1, ir=0.5, od=undef, id=undef, r=undef, r2=undef, d=undef, d2=undef)
{ {
rotate_extrude(convexity = 4) ir = id!=undef? id/2 : ir;
translate([(or-ir)/2+ir, 0, 0]) or = od!=undef? od/2 : or;
circle(r = (or-ir)/2); r = d!=undef? d/2 : r!=undef? r : (ir+or)/2;
r2 = d2!=undef? d2/2 : r2!=undef? r2 : (or-ir)/2;
rotate_extrude(convexity = 4) {
right(r) circle(r2);
}
} }