We are developing a bike mount prototype that will attach to the front handlebar area.I need two 3D CAD design drafts (STP format) showing two alternative design approaches for the same product purpose.Both versions should share the same base geometry and dimensions but explore different structural or functional ideas.I would like to work directly via call with the designer to align on proportions, mounting logic, and usability during the process.Goal: two 3D-printable prototype concepts for testing ergonomics and fit.Reference sketches and basic measurements will be provided.