While there are many versions floating around, you want a clean script that supports modern object types like Splines and Ellipses.
Yes. Kenny Ramage released it into the public domain circa 1999. There is no license, no payment, no registration.
If you use TLEN frequently, you can have it load automatically:
| Feature | Benefit | | :--- | :--- | | | Copy/paste code directly into command line for one-off use | | Permanent Load | Add to Startup Suite via APPLOAD for automatic loading | | Keyboard Shortcut | Create custom CUI shortcut for TLEN command | | Script Integration | Combine TLEN with script files for batch processing | | Layer Filtering | Use LISP functions with ssget filter for layer-specific calculations | autocad tlenlsp download best
Many custom Lisp files are hard to find or hosted on defunct websites. To ensure you have the "best" version without searching through potentially unsafe download sites, you can create the file yourself. This is the standard, clean code for the command.
For surveyors and civil engineers who spend hours drafting profiles manually, It is widely regarded as one of the "best" lightweight tools for this specific niche.
tlen.lsp is a free, lightweight LISP routine written by Michael Puckett (original version). It sums lengths of lines, arcs, polylines, etc. While there are many versions floating around, you
Once you have downloaded the .lsp file, follow these steps to get it running: 1. Loading the LISP Routine There are two primary ways to load the file:
There are two ways to install this utility for use in AutoCAD.
Instead:
Would you like a or a Python script that scans a downloaded LISP file for dangerous patterns instead?
How to Calculate Total Length in AutoCAD Instantly with TLEN.lsp