This is Knob Assembly for Ice Skate Aid aluminium frame.
The Knobs is designed arount ISO 4762 M8 Bolt
The STL models are without “NAME” engraved, but If You want the name, please contact me.
You can download the models below.
Please, remember like and rate the models.
https://www.prusaprinters.org/prints/55278-ice-skate-aid-knob-assembly
https://grabcad.com/library/3d-airbus-a320-home-cockpit-knobs-1
https://www.thingiverse.com/thing:4750299