Customizable 3D Car Chassis Design

Here is your complete, ready-to-post freelancer job description, incorporating your size specs, the modular design requirement, and the instruction for designers to share their initial concepts and suggestions before finalizing the design:Final Freelancer Job Post TemplateTitle: 3D Printable Modular Car Chassis Design (650mm x 350mm, I-Beam Frame)Project Description:I am looking for an experienced CAD designer to create a custom car chassis optimized for 3D printing.Key Dimensions & Specifications:Overall Dimensions: ~650mm Length $\times$ 350mm Width.Modular/Split Design: Because of the size, the chassis must be intelligently split into interlocking segments (with alignment pins/slots and bolt holes) so it can fit on standard 3D printer beds (e.g., 220x220mm).Frame Structure: Main frame must feature an I-beam profile for high structural rigidity and strength.Layout: Wheels mounted on the outer sides; motor(s) housed on the inner side of the chassis.Tolerances: Built with appropriate clearances for mounting motors, axles, and hardware.Proposal Requirement:Important: Please share your initial layout concept, approach for splitting the modular sections, and any suggestions or questions you have before we officially award and finalize the project.Deliverables Required:Printable .STL files for all split sections.Source files (.STEP or native CAD).Brief assembly guide showing how the sections connect.