Print 2, (one mirrored) and use ½ inch dowels to connect. As long as you need it to be.
I am migrating from the HSW system and wanted to keep using it for my adhesive tapes. So I mixed this one up. It uses large bolts to connect to the wall.
No supports needed, (Thus the teardrop holes.)
ETA:
Thanks for the downloads! This is my first to get 30 DL in 30 days!!!
The author marked this model as their own original creation.