I am finishing an E-Copper build and looking forward to starting my next one. Unfortunately, the company that made the frames I like is not making them anymore. So now I have the opportunity to design my idea. I know what I want, but I do not know how to reach that point. I built a computer just for this issue.
I did take mechanical drawing in school, but that was close to 30 years ago.
Unfortunately, I am also doing this alone. Trying to start my own business building custom E-Choppers both in bicycle and motorcycle styles.
The BikeCAD design archive was set up to help people colaborate on designs and to build upon the work of others. There is no category for choppers, so the best fit is likely the Cruiser category. You can see those here.
If you have any specific issues you need help with, please let me know.