Select purlin lines and enter lapping length. RA: This is similar to CA command, except now you are rotating objects.

You can create an array of grid lines, or rebars, etc. I like using this instead of the array command. This is a collection of 3 nice commands I often use.ġ. If you don’t want to drag and drop the LISP files every time you open a drawing you can pre-load them following these steps. The code is loaded into AutoCAD and the custom command is ready to be used. Then Drag and Drop it into AutoCAD and its done. Just copy and paste the code above to a blank txt file and after saving it, change the extension from. (setq tot_area (+ tot_area (getvar 'area'))) (defun c:aream (/ olderr oldcmdecho errexit undox restore ss1 nr en tot_area) This command is written by Jimmy Bergmark who also has a very interesting website that you should visit. Its a very handy way to measure the total area of many objects at once and again if it is combined with FILTER it becomes a very handy command. It is the same concept as TLEN but it is used for areas. (alert (strcat 'Total length of selected objects is ' (rtos tl)))Īnther tool that I am using frequently is AREAM. ((or (= obj 'CIRCLE')(= obj 'SPLINE')(= obj 'POLYLINE') (if (minusp (setq l (- (cdr (assoc 51 ent)) (distance (cdr (assoc 10 ent))(cdr (assoc 11 ent)))) (setq ent (entget (setq itm (ssname ss n))) It is created from Tee Square Graphics (take a look at their site as they have lots of DIY tools for AutoCAD) and the code is this: It lets you get the total length of objects that you have selected and in combination with FILTER command it can become one extremely handy. One useful command I use almost every time I am on AutoCAD is TLEN. The use of LISP and the creation of custom commands from scratch or manipulating/using what others have created can easily solve this “problem”. Although, some things still “missing” or at least it cannot cover anyone’s demand for commands. I strongly believe that it is more than enough as it comes with lots of good and handy tools to do the job.

My work involves a lot of measurements in order to get my quantities off the drawings and make the estimations I need.

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