Carburetor airbox (air filter holder) for motorized bicycle - Velocity Stack

thingiverse

AFTER THOROUGH TESTING, I RECOMMEND AVOIDING THIS OPTION. Airflow suffers significantly after my engine warms up. For a reliable solution that requires no needle adjustments, consider using this alternative: https://www.thingiverse.com/thing:3582289. This design is an add-on and must be used in conjunction with the Carburetor filter conversion for motorized bicycle by OkurRo, available at https://www.thingiverse.com/thing:2622364. For a simplified version, examine my other remix, which features a single part with a straightforward hole. You can find it here: https://www.thingiverse.com/thing:3582289. If you're a tech enthusiast like me, take your design to the next level by incorporating a VELOCITY STACK! Although this enhancement adds 200HP, I acknowledge its practicality is debatable. Nevertheless, why not give it a try?! I created this using OpenSCAD. Publishing it as a customizer isn't feasible due to dependent libraries. If you're interested, my OpenSCAD code is posted below. To accommodate various frame sizes, I've provided two STL files: one for compact frames (14mm high and 45mm bell) - CarbFilterConversion-Velocity_Stack-pub14hx45bell.stl, and another for standard-sized spaces that measures 28mm high with a 55mm bell.