clamps use clothes pin spring —

Founded clamps use clothes pin spring models & stl files for printing
Clamp
FP-Creator
Clamp 30mm
NPI_3dprint
Springloaded latching mechanism
ConceivablyEngineering
cloth clamp
hobbyman
Clamp
jbergmans
Cloth Thing
jodroboxes
Spring Latch
3D Printy