Free applications and CAD utilities (mostly our freeware & trials) CAD Utilities and add-ins 15.5kB 3805× 30.05.2016 SelfIntersect - check for self-intersections, duplicate and zig-zag/retracing vertices in polylines (VLX LISP for AutoCAD) Ver: 1.4 FILE Size: 15.5kB • Compiled AutoLISP application (.vlx / .fas) β load with APPLOAD. No source code required to run. Free Download ▼ β Close