Category Archives: AutoLISP: Polylines

AutoLISP: Heal – Erase Block & Heal Polyline

Just like the previous post that heals lines, this routine will work on polylines. it will erase the selected block and then join the two polylines into one. Note: If the block is placed on a curved segment of a … Continue reading

Posted in AutoLISP, AutoLISP: Blocks, AutoLISP: Modify, AutoLISP: Polylines, Blocks, Polylines | 4 Comments

AutoLISP: Define a Pipe’s Path by 3D Curved Objects

Today’s featured routine is a gem if you need to make basic 3D Pipes. It does a couple of awesome thing: 1) It creates a pipe with an inner and outer diameter thus creating a true pipe. 2) Lets you … Continue reading

Posted in AutoLISP, AutoLISP: 3D, AutoLISP: Creating, AutoLISP: Modify, AutoLISP: Polylines | 2 Comments

AutoLISP: Fillet a 3D Polyline

Here is a great routine that lets you easily fillet a 3D polyline. It even gives the option to apply the fillet to all of the vertices. Here’s how: 3DPOLYFILLET <enter> to start R <enter> to specify the radius of … Continue reading

Posted in AutoLISP, AutoLISP: 3D, AutoLISP: Modify, AutoLISP: Polylines | 3 Comments

AutoLISP: External Contours of Objects

This routine is helpful if you have overlapping objects that form a closed area and you would like to combine them into one overall closed object. This is like the UNION command but for 2D closed areas. Here’s how: ECO … Continue reading

Posted in AutoLISP, AutoLISP: Creating, AutoLISP: Modify, AutoLISP: Polylines | 3 Comments

Trim and Delete outside of closed polyline

Here is a very helpful routine that I seemed to have forgotten about. It lets you select a closed polyline and it will trim and delete everything outside of it. Anything that crosses its edge will be trimmed on the … Continue reading

Posted in AutoLISP, AutoLISP: Modify, AutoLISP: Polylines, Modifying | 7 Comments

AutoLISP: Interior Intersections of closed Polylines

This is the last of the polyline routines that I have for now. This one lets you select to closed objects and will keep the area that the two objects share and trim away the rest. Even though this can … Continue reading

Posted in AutoLISP, AutoLISP: Modify, AutoLISP: Polylines | Leave a comment

Autolisp: Polyline Outline of Objects

Here is another polyline routine that only works with closed objects (closed polylines, circles, ellipses…). This time however, you can select all of your objects at once and the combined outline of all of the shapes will be turned into … Continue reading

Posted in AutoLISP, AutoLISP: Modify, AutoLISP: Polylines | 1 Comment