Topic: Trying to simplify or clean up

[Biscuits]

Polylines were plenty long. first pic shows original results. Second pic shows results from second version along with error message:
; error: Automation Error. Invalid input

[mhupp]

; error: Automation Error. Invalid input
Seems AutoCAD  can't process list when making a polyline. Well it needs a little bit of help.
https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/create-polyline-from-a-list/td-p/856098

This works just fine in BricsCAD tho.
(command "_.Pline" pts "")

replace that line with this and should work after that.
(command "_.Pline" (car pts) (cadr pts) "")

Also I remember this from Lee Mac.
http://www.lee-mac.com/circletangents.html

[Biscuits]

Works like a charm. Thank you!