The print is straightforward, it should be printable without changing the orientation.
I printed with 0,3mm layer, Infill doesn't matter as the part has only thin walls, no supports necessary
PLA should be greatly sufficient, as the Hub weighs next to nothing
You'll need two of these for mounting.
The brackets are for this hub: https://www.amazon.de/gp/product/B003M0NURK/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
The author marked this model as their own original creation.