tlc123 / openscad_stuff Goto Github PK

I have tried unionRound with:

    unionRound(1, 2) {
        translate([2, 5, 5]) union() { sphere(6); cylinder(8); }
        rotate([10, 20, 30]) cube(10, true);
    }

and it fails to respect the detail argument; in fact, it fails also with detail=4 although it seems to be fine with detail=3 or 1.
I could not understand why.

Besides, I got a fast (and apparently correct) results for non-convex operands masking the region around their intersection. That will be fast provided that the operand intersection is convex. The simple mask I used was :

module mask(i,r) {
    intersection() {
        children(i) ;
        clad(r) intersection() { children(0); children(1); }
    }
}

That mask would be used as: mask(0,r) { children(0); children(1); };
instead of children(0);
in all places it is appears under the hull(). The same is done with children(1).

The refine() function is not returning a mesh satisfying the criteria expressed by its argument limit. I could not realize why but confirmed it by the following two lines:

edges = let(v=bendt[0])[for(f=bendt[1],lf=len(f),i=idx(f)) norm(v[f[i]]-v[f[(i+1)%lf]]) ]; 
echo(min_edge=min(edges), max_edge=max(edges));

Besides, function glue() does not eliminate all non referred vertices and there are many of them in the final mesh. Usually that is not a problem but it may overload any following processes on vertices.

Finally, as you are including BOSL2 library, you may benefit of using BOSL2 function unique that seems to be faster than yours for larger lists. Your unique() seems to be O(n2) while BOSL2 unique is O(n log n) thanks to a special sort.