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Force steps to be 1 when $fn is too small for vnf_bend

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Adrian Mariano
2022-02-12 20:49:31 -05:00
parent 7a9a98d875
commit ccb2148e82
1 changed files with 1 additions and 1 deletions
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vnf.scad
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@@ -1132,7 +1132,7 @@ function vnf_bend(vnf,r,d,axis="Z") =
span_chk = axis=="Z"? span_chk = axis=="Z"?
assert(bmin.y > 0 || bmax.y < 0, "Entire shape MUST be completely in front of or behind y=0.") : assert(bmin.y > 0 || bmax.y < 0, "Entire shape MUST be completely in front of or behind y=0.") :
assert(bmin.z > 0 || bmax.z < 0, "Entire shape MUST be completely above or below z=0."), assert(bmin.z > 0 || bmax.z < 0, "Entire shape MUST be completely above or below z=0."),
steps = ceil(segs(r) * (extent[1]-extent[0])/(2*PI*r)), steps = 1+ceil(segs(r) * (extent[1]-extent[0])/(2*PI*r)),
step = (extent[1]-extent[0]) / steps, step = (extent[1]-extent[0]) / steps,
bend_at = [for(i = [1:1:steps-1]) i*step+extent[0]], bend_at = [for(i = [1:1:steps-1]) i*step+extent[0]],
slicedir = axis=="X"? "Y" : "X", // slice in y dir for X axis case, and x dir otherwise slicedir = axis=="X"? "Y" : "X", // slice in y dir for X axis case, and x dir otherwise