Download Rally Style Shifter Knob as a free 3D printable knobs/buttons STL for Subaru Impreza. This is a rally style over sized shifter knob I designed…
Print setup recommendations
Material: PETG or ASA for durability and heat resistance
Infill: 20-30% infill for a balance between weight and strength
Supports: verify in slicer
Ensure the model is oriented to minimize supports
Check for proper threading design for the M12 bolt
Use a brim or raft if necessary for improved adhesion