Category Archives: AutoLISP: Polylines

AutoLISP: ReOrder Polyline Origin

Taking into consideration the previous posts about determining the origin of a closed polyline, Finding the direction of a polyline and being aware that the REVERSE command will change the origin of a closed polyline – the LISP file in … Continue reading

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

AutoLISP: Polyline Direction preview

The simplicity of this routine is why I like it so much. You simply run the command and then select a polyline and it displays temporary arrows that show the direction of the polyline. Once you either zoom in or … Continue reading

Posted in AutoLISP, AutoLISP: Polylines, Polylines, TIPS | 2 Comments

AutoLISP: Closed Objects to Wipeout updated

It has been a while since using this LISP routine, but apparently the routine that was posted a couple of years ago (found here: http://autocadtips.wordpress.com/2011/05/28/autolisp-objects-2-wipeout/) and written by Giles Chanteau stopped working in newer releases of AutoCAD because it now needs … Continue reading

Posted in AutoLISP: Creating, AutoLISP: Modify, AutoLISP: Polylines, Wipeouts | 5 Comments

AutoLISP: Convert 2D Solid to Polyline Outline

Since 2D solids aren’t very friendly after you place them and are hard to edit, you may need find this tool helpful for converting the solid into a polyline that represents the outline of the solid. An example of its … Continue reading

Posted in AutoLISP, AutoLISP: Modify, AutoLISP: Polylines | 8 Comments

AutoLISP: Advanced Polyline Offset

Not knowing what to call this routine, I think that it is more of a combination of an advanced Offset command that automates the placement of the vertices at the (M2P) Mid-Between-2-Points. If you need an offset that is between … Continue reading

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

AutoLISP: Fillet and Match PLINE Width

With the release of AutoCAD 2012 the JOIN command received some improvements. It will join all of the selected objects regardless of what type of objects they are (line, arc, polyline, 3Dpolyline, spline) and turn them into the most complicated … Continue reading

Posted in AutoCAD 2013, AutoLISP, AutoLISP: Modify, AutoLISP: Polylines, Modifying, New in 2012, New In 2013, Polylines | 4 Comments

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 | 1 Comment

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 | 2 Comments