# Category Archives: AutoLISP: 3D

## AutoLISP: Break 3D line through User defined Plane

This routine was made by Chen Qing Jun, qjchen and is found at http://www.theswamp.org/index.php?topic=40494.msg457913#msg457913 It is quite handy if you happen to need to break a line that passes through a “plane.” I am using the term “plane” loosely because it doesn’t … Continue reading

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

## AutoLISP: Make Perpendicular Line Between Two 3D Angles

This Lisp was found at http://paulbourke.net/geometry/pointlineplane/int2.lsp and has been a great help in 3D and sometimes being off by a little bit can be very frustrating. You can always us the distance command and then look for the specific X distance or … Continue reading

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## 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

## 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

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## AutoLISP: 3D View – Section View with Depth

Here is a handy routine that lets you easily define a view and define its view-depth. With cluttered 3D drawings, you may want to view objects from a side view but also not see the clutter behind and in front … Continue reading

Posted in AutoLISP, AutoLISP: 3D | 3 Comments