[OpenSCAD] No bounding box test for union() before entering CGAL?

Parkinbot rudolf at parkinbot.com
Wed Jun 8 13:44:34 EDT 2016


I forgot to add, there is of course a way to F6-render this specific problem
even for 40000 cylinders within 5 seconds (F5 takes about a minute)


> linear_extrude(height = 10)
> for (i = [1:200])
>   for (j = [1:200])
>     translate([i*20, j*20, 0])
>       circle(r = 5); 

this demonstrates even more how OpenSCAD could win using some boundary box
testing. 



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