cello 3d model

Generate a 3D-printable modular 3D puzzle of a cello. The final assembled model shall represent a realistic but functionally simplified cello, designed as a multi-part interlocking puzzle that can be fully disassembled and reassembled without glue. Scale & Size: Total length of the fully assembled cello: approximately 200 mm (20 cm) Scaled to fit standard desktop FDM 3D printers Structural Requirements: Model is split into multiple separate, clearly defined puzzle parts Each part is a separate watertight mesh Mechanical interlocking connectors (tabs, pegs, slots, puzzle joints) with FDM-appropriate tolerances Parts must assemble securely but without excessive force No glue or external fasteners required 3D Printing Constraints (FDM): Minimum wall thickness: ≥ 2 mm Minimum feature size: ≥ 0.8 mm Overhangs ≤ 45° where possible, optimized for support-free printing Flat, stable surfaces for bed contact Avoid thin strings; represent strings as thickened, printable elements or omit them Design Brea