I created this useable model off a hard to find existing cartridge. I then modified it to best work within the constraints of 3D printing capabilities. the result is a working model that can be used in any of the older KIEV model cameras.
This design also includes a rectangular caring case for the film cassette when not in use. This is also based off the original pat design from the factory.
.2 nozzle is required to print small features accurately.
The author hasn't provided the model origin yet.