Toggle latch with an over-center mechanism, made specifically to serve as a replacement for the off-the-shelf latches for Fat Shot 617 - Medium format 6x17 modular panoramic film camera, but can also be used as a general purpose toggle case latch.

Model designed to be printed with PETG and not tested with other materials.

Print all the parts solid and laying on their sides for smooth contacting surfaces. Hook part needs supports, other parts can be printed without them.

Use 4x M3 countersunk head screws to mount the latch. No additional hardware needed. 

Mounting holes are spaced 20 mm in both directions.