Press fit protector case for the Raspberry Pi Spy Camera module, available from Adafruit, made specifically for the older models* where the camera itself could be easily separated accidentally from the cable. And yes, I found that out the hard way.

No supports are needed, and it takes only a handful of minutes to print.

*If you're not sure which model you have, check to see if yours has a tiny connector between the camera itself and a tiny circuit plate on the ribbon cable. Newer models that were released in 2019 do not have this connector, as seen in the illustration below: