Free applications and CAD utilities (mostly our freeware & trials) CAD Utilities and add-ins 4.7ย KB 376× 20.01.2026 BlockToXref (B2X) - replace blocks with same-named xrefs (LISP for AutoCAD) FILE Size: 4.7ย KB • 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