Cipher Helmet Lock

This is a Cipher Helmet Lock that can keep the helmet safe on a bicycle. I started to design this model in 2020. As a 3D print model, the function and reliability of this design have been proved in the past 4 years of 4 versions development and 2 years outdoors using tests. Now with the help of the “Maker's Supply“ project, I think it’s time to release it to the world.I appreciate Makerworld’s help. This design would have been difficult to implement without their assistance. There are 3 sizes of the lock fixture parts(P7): diameter 20mm,16.5mm, and 23mm, I also uploaded the STEP file of the part, so you can try to modify it to your size. Disclaimer: This model is part of the Creator Program, When you purchase the hardware kit through the links below, creators may earn an affiliate commission as a reward of their work. (The creator program is currently in the trial phase. The application is not yet open to public.)Recommended filaments: BambuLab PLA-CF , ASA, ASA-CF, PETG-CF, PETG H