Free applications and CAD utilities (mostly our freeware & trials) CAD Utilities and add-ins 21kB 1267× 28.11.2021 Snake fill (floor-heating curve) of an area between two curves (LSP for AutoCAD, by M.Ribar) FILE Size: 21kB • AutoLISP file (.lsp) β load using APPLOAD or drag-and-drop into the AutoCAD window. For automatic loading add the path to acad.lsp or acaddoc.lsp. Free Download ▼ β Close