With this simple jig you position the disc correctly so that the suction holes are not obstructed
The charger can keep from 4 to 7 discs for a quick change
To fix the knob to the body, a simple wood screw is enough
I recommend, for the clamp a filling at 80%
Special thanks to Gabriele “The Carpenter” for the hard test
The author marked this model as their own original creation.