It's cable cover for Galileo2 extruder - Fits a 3010 fan https://www.amazon.com/gp/product/B08R9HFXTN/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
Printing:
use ASA or ABS filament
3 Perimeters
5 Top Solid and 4 bottom layers
15 Density
Supports are not needed but I used so it will print very nicely - I used Organic (see on pictures) - enforce
The author remixed this model.
My model allow you to install extra 3010 fan which can cool down your SB2040 PBC