hello Berylbite JohnDThompson cny-bikeman dsaul FBinNY Blue Belly,
Hi there - good day dear community.
many thanks for the discussion

i only know bikeCAD (cf https://www.bikecad.ca ) and rattleCAD ( see (https:rattleCAD 4.0 - Bicycle FrameBuilding CAD - Home )

"Bicycle Geometry 101" i did not know so far

its great to see this fruitful discussion.


many thanks for this.

yours Apollo