Quite straightforward, can be printed in PLA. it is designed not to have any vibrations and to precisely see the nozzle all over the plate, many iterations in angle and position! Admittedly, the camera has a good quality but the depth of focus of the camera with the standard lens is limited, so expect that in the nearest position focus won't be perfect.
The author remixed this model.
one part, the camera frame, is a modification of https://www.printables.com/model/535745-innomaker-camera-mount-compatibel-with-articulatin and the fixation to the x-axis motor is a modification of https://www.printables.com/model/46866-prusa-mk3s-mk3s-pi-camera-v21-mount-with-optional-/files. The arm is original and designed for minimal vibration.