Quick Release Picantinny RedDot

Do you have one of these cheap RedDot devices?
And have you had enough of fumbling with the allen keys when mounting these?
Fear no more, here comes the solution:
Simply click on your RedDot on any picantinny rail with two flicks in no time!

You need: 1x M4 x 20mm and 1x M4 x 35mm (or 40mm as these 35mm are hard to come by) allen screws

How to install:
Print right lever, leaner left lever and two hubs with your 3D printer: PETG or PLA with 100% infill.
The hubs have to be resized to 10% in the slicer.
Screw the screws into the hubs all the way in. The screws must be turning, but tightly. Then take the screws out again.

Put the hubs into the levers. The 20mm screw goes into the right lever, the 35mm screw into the leaner left lever.
Screw them in all the way into the hub until the screw head sits flush in the hub and the hub can turn in the lever.

Now remove the two M4 screws from the RedDot that hold the side rail in place.
Put these screws aside for the unlikely case you might w