Free applications and CAD utilities (mostly our freeware & trials) CAD Utilities and add-ins 13.8kB 1183× 05.12.2018 DGNspline2poly - convert DGN-imported spline to 2D/3D polyline with same vertices (VLX, ARK+) Ver: 1.0 LINK External link β opens in a new browser window. Open Link ▶ β Close