Uploading my "back catalog" to Prusa Printers! Hope you enjoy this design from 2019:
Mount track for your "BlazingDisks" cars anywhere you want!
More information and DIY instructions at https://dragonmountaindesign.com/?p=2317
TC-Clamp
Material: PLA
Infill: 50% or more
Supports: No
Brim: No
TC-ScrewPin (x2), TC-Ball, TC-Adapter
Material: PLA:
Infill: 20% (more if you feel like it)
Supports: No
Brim: Yes. Bed contact areas are on the small end of things.
TC-Screw, TC-AdapterPin, TC-Knob, TC-Press
Material: PLA
Infill: 20%
Supports: No
Brim: No
The author hasn't provided the model origin yet.