Free applications and CAD utilities (mostly our freeware & trials) CAD Utilities and add-ins 607ย B 1580× 23.11.2022 DimDiff - differential dimension X,Y (LSP LISP for AutoCAD) FILE Size: 607ย B • AutoLISP file (.lsp) โ 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 ▼ โ Close