The routine (short for Total Length) is a lightweight script that automates the measurement process. Instead of checking properties for every individual object and adding them manually, you select a group of entities, and the script instantly provides the cumulative sum.
: While not directly applicable to AutoCAD, there are open-source LISP implementations like SBCL (Steel Bank Common Lisp) or CCL (Clozure CL) that you can explore if you're interested in LISP programming outside of AutoCAD.
is a collection of AutoLISP routines designed specifically to automate tedious tasks in AutoCAD. Created by a developer known as "Tlen," this library has gained a cult following in the CAD community because it solves common frustrations that native AutoCAD commands handle clumsily.
The most straightforward and legal way to access AutoCAD and its features, including TLISP, is through Autodesk's official channels: autocad tlenlsp download free
Often, expert users share customized LISP routines in the CAD customization forums.
For example, breaking a line traditionally involves selecting the break command, selecting the line, picking two points, and confirming. With TlenLSP, you can often achieve this with a single click or a vastly simplified selection process.
The AutoCAD community is incredibly active, and many professional developers share free tools. The routine (short for Total Length) is a
Displays the total length in the command line window.
AutoCAD LT offers a range of features and benefits that make it an attractive choice for designers, architects, and engineers. Some of the key features include:
Once the script is loaded, using it is incredibly intuitive: is a collection of AutoLISP routines designed specifically
AutoCAD TlenLSP Download Free: A Guide to Automating Your CAD Workflows
The original file is widely available from several trusted community sources:
Many civil engineering blogs offer Tlenlsp packages for download. How to Install and Use Tlenlsp in AutoCAD
Search for "Tlen.lsp" or "Tlen.fas" on trusted CAD forums like AutoCAD Forums or CAD sharing sites.