an autolisp routine that draws a triangle given three sides - to help with survey routines in acad.
Please help me to make it with ghost-elastic preview!
adding this line of code to your acaddoc.lsp file will show the current insunits in the taskbar (converted to a readable format)

Here Generates a stair section from two picked points. The stair is drawn as a lightweight polyline and can optionally generate a nosing and an MTEXT design report.
- UCS independent.
- insunits independent.
- Run direction automatically detected.
- Preview geometry and data.
Replaces the old following:
See the updated version
Here are two routines that are attempts to port Dan E. Thomas' routine to meters and centimeters. It draws a stair's section following simple prompts.
My wish is to merge them all in a routine able to scale by the variable insunits or though a simple question to the user.