This model is a clamp to hold the phone clamp from Modular Mounting System to car AC vent.
There are two sets of phone clamp files. The standard set holds phones up to 12mm thick. The 4mm thicker version accommodates phones with extra thick cases.
Car Vent Clamp Sock.stl is a sock to be printed with flexible filament to add friction and protect your car from scratching. It should be sliced with a single wall layer and without bottom.
The model was printed with glossy black heat resistant PLA. The matte surface effect was created by fuzzy skin function in CURA.