Videos

Click on the links below to view.

Videos demonstrating Lisp routines that can be downloaded for free on this site
How to draw handrails	Copy and rotate in one command	Draw a door in 2D
How to draw pipes	Convert Feet to millimetres	Show a pipe break
Radius a pipe bend-2D	Repeat,inputing the x and y shift	Draw a roller conveyor-2D
Draw a roller conveyor-3D	Show a split	Draw a spring in 2D
Draw a roller chain sprocket	Transfer a hole to a side view	Bolt 2 rectangular solids
Add diameter symbol	Fillet with a zero radius	Draw a screw conveyor
Scale, with memory	Draw a round flange-3D	Draw a mill sprocket
Display entity data	Draw a stair in 3D