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Added ir/id/ir1/ir2/id1/id2 options for tube()

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Revar Desmera 2019-02-23 23:26:15 -08:00
parent f32b7b2e5a
commit 32f4f1911a
1 changed files with 16 additions and 2 deletions
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@ -616,19 +616,33 @@ module onion(h=1, r=1, d=undef, maxang=45)
// r = Outer radius of tube. (Default: 1)
// r1 = Outer radius of bottom of tube. (Default: value of r)
// r2 = Outer radius of top of tube. (Default: value of r)
// d = Outer diameter of tube.
// d1 = Outer diameter of bottom of tube.
// d2 = Outer diameter of top of tube.
// wall = horizontal thickness of tube wall. (Default 0.5)
// ir = Inner radius of tube.
// ir1 = Inner radius of bottom of tube. (Default: value of r)
// ir2 = Inner radius of top of tube. (Default: value of r)
// id = Inner diameter of tube.
// id1 = Inner diameter of bottom of tube.
// id2 = Inner diameter of top of tube.
// Example:
// tube(h=3, r=4, wall=1, center=true);
// tube(h=6, r=4, wall=2, $fn=6);
// tube(h=3, r1=5, r2=7, wall=2, center=true);
module tube(h=1, r=1, r1=undef, r2=undef, d=undef, d1=undef, d2=undef, wall=0.1, center=false)
// tube(h=30, r1=50, r2=70, ir1=50, ir2=50, center=true);
module tube(h=1, r=1, wall=0.1, r1=undef, r2=undef, d=undef, d1=undef, d2=undef, ir=undef, id=undef, ir1=undef, ir2=undef, id1=undef, id2=undef, center=false)
{
r1 = (d1!=undef)? d1/2 : (d!=undef)? d/2 : (r1!=undef)? r1 : r;
r2 = (d2!=undef)? d2/2 : (d!=undef)? d/2 : (r2!=undef)? r2 : r;
ir1 = (id1!=undef)? id1/2 : (ir1!=undef)? ir1 : (id!=undef)? id/2 : (ir!=undef)?ir : r1-wall;
ir2 = (id2!=undef)? id2/2 : (ir2!=undef)? ir2 : (id!=undef)? id/2 : (ir!=undef)?ir : r2-wall;
if (ir1 > r1) echo("WARNING: r1 is smaller than ir1.");
if (ir2 > r2) echo("WARNING: r2 is smaller than ir2.");
up(center? 0 : h/2) {
difference() {
cylinder(h=h, r1=r1, r2=r2, center=true);
cylinder(h=h+0.05, r1=r1-wall, r2=r2-wall, center=true);
cylinder(h=h+0.05, r1=ir1, r2=ir2, center=true);
}
}
}