is a free, lightweight AutoLISP script designed specifically for AutoCAD. The name "TLEN" stands for Total Length .
Remember: LISP routines are not viruses, but bad websites are. Stick to trusted sources, read the code if you are worried, and never pay for a simple length summation tool.
You can find the raw code on various CAD community forums (such as CADTutor or Autodesk Forums) or download it directly from trusted CAD utility repositories. autocad tlenlsp download free
: Processes lines, polylines, lightweight polylines, 3D polylines, splines, and arcs simultaneously.
;; [2] Process each selected object: Loops through the selection set. (while (>= n 0) (setq ent (entget (setq itm (ssname ss n))) obj (cdr (assoc 0 ent)) ;;[3] Conditional logic: Determines the object type and calculates its length. l (cond ((= obj "LINE") ; For lines, calculate the 3D distance between endpoints. (distance (cdr (assoc 10 ent))(cdr (assoc 11 ent)))) is a free, lightweight AutoLISP script designed specifically
Search for "Tlen.lsp" or "Tlen.fas" on trusted CAD forums like AutoCAD Forums or CAD sharing sites.
To download and install LISP files in AutoCAD LT, follow these steps: Stick to trusted sources, read the code if
In the dialog box, navigate to the folder where you saved tlen.lsp . Select the file and click .
) ;;[4] Display result: Shows the total in a pop-up alert box. (alert (strcat "Total length of selected objects is " (rtos tl))) (princ) )
In the competitive world of drafting, efficiency is everything. While modern AutoCAD versions have improved, there is still no replacement for a well-written Lisp routine like . It provides the missing link between what AutoCAD can do and what drafters want it to do.
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