Parametric floor drain hair catcher

### Parametric hair catcher for shower floor drain

The hair catcher net is designed to fit snugly into the clamping ring in a floor drain, while the flange prevents it from falling down. The idea is that it's much easier to just replace this with a new one every now and then instead of having to unclog the the drain when too much hair get stuck.

The diameter of the inside of my clamping ring is 136mm (it's a vieser floor drain) so I set the model to 135.8mm diameter with a 1mm flange to ke