Make inset polygon on no normal. Correctly to use this script for one groups of polygons. Values bridgeTwist1 and bridgeTwist1 need when got uncorrect result

Script
By Maketer · 2016-02-10
Make inset polygon on no normal. Correctly to use this script for one groups of polygons. Values bridgeTwist1 and bridgeTwist1 need when got uncorrect result

.
vidivini500 · 2016-03-26
Looks promising but need to be interactive like native inset