If you are an architect, civil engineer, or CAD drafter, you know the pain. You have a complex floor plan with dozens of polylines representing cable trays, piping routes, or boundary walls. You need the total length of all these lines—not the length of each individual segment.
Measuring the total length of multiple lines, arcs, or polylines is a common task in AutoCAD, yet the software lacks a native "single-click" command for it. The TLEN.lsp routine is widely considered the best solution to bridge this gap, automating what would otherwise be a tedious manual process. What is TLEN.lsp? autocad tlenlsp download best
Enter the Command: Type TLEN in the AutoCAD command bar and press Enter. The Ultimate Guide to AutoCAD TLEN
Once you have the best TLEN.lsp file, follow these instructions: Measuring the total length of multiple lines, arcs,
acad.lsp download:Do not download random acad.lsp files from the web. That's how AutoCAD viruses spread (e.g., "ACADVACUUM", "ACAD.LSP virus").