Free applications and CAD utilities (mostly our freeware & trials) CAD Utilities and add-ins 669ย B 8895× 12.11.2010 LockAllVp - locks all viewports in all layouts (LISP for AutoCAD) Ver: 1.0 FILE Size: 669ย 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