This remix of the Raspberry Pi Cam V2 NoIR is now compatible with the Ender 3, and fits onto the original front belt tensioner added slots for the front axis housing. Also added a small extension to be able to have more flexibility as to how it overlooked the build plate The rest of the design is pretty much as was by the Faris Ali.
I printed this with 70% infill and used 2 x M3 hexagon socket button head screws and nuts.

No supports needed 
Printed with esun pla+ bed 60 and nozzle 195