Bidirectional 3D Print Models
10000+ 3D Print Models
FREE
printables.com
UBBI - Universal Bidirectional Bowden Interconnect - an overengineered PTFE tubing connector!
cults3d.com
Train Track - Single to Double Track Switches - Compatible with BRIO and Others
cults3d.com
Dual Threaded Screw Mechanism – Left & Right Hand Nut Demo Model (3D Print)