S hook hanger

### Why

I bought a horizontal bar to hang my (empty) camera bags from, but forgot to buy the hooks that go with it.
Rather than go back to the store I spent way more time designing and printing the hangers myself.

I ended up printing mine with PETG at 60% size, 3 perimeters, 15% infill and 3 top/bottom layers and they hold up just fine.

### Features

* Can accomodate a 40mm diameter bar at 100% scale
* Designed for strength (chamfered edges make it stronger...I think)
* Can be scal