unionRoundSimple
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[OpenSCAD issue #844](https://github.com/openscad/openscad/issues/884#issuecomment-898877935) Like and follow. #####Easy to understand version but with less safety checks. #####/ improved smarter rounding #####With an exploit of fast convex + convex minkowski and the Theorem: Given any collection of convex sets, their intersection is itself a convex set. #####The following became possible: ``` //////////////////////////////////////////////////////// /* unionRound() Module by Torleif Ceder - TLC123 late summer 2021 Pretty fast Union with radius, But limited to a subset of cases Usage unionRound( radius , detail , epsilon ) { YourObject(); YourObject(); } limitations: 0. Only really fast when boolean operands are convex, Minkowski is fast in that case. 1. Boolean operands may be concave but can only touch in a single convex area 2. Radius is of elliptic type and is only approximate r were operands intersect at perpendicular angle. */ //////////////////////////////////////////////////////// ``` [on Youtube](www.youtube.com/watch?v=gVk-Keg_nGQ) [on GitHub](github.com/TLC123/OpenSCAD_stuff/blob/d6fa00e498313d98a9ea31902600cc8a0af1b9bc/2021/unionRoundSimple.scad) [on Thingiverse](www.thingiverse.com/thing:4932117/) [on OpenSCAD Snippet Pad](openscadsnippetpad.blogspot.com/2021/08/openscad-unionround-module.html) [on r /OpenSCAD](www.reddit.com/r/openscad/comments/p43xqc/unionround_module/)
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