dreamcast vmu cap 3d model

Create a functional, 3D-printable Sega Dreamcast VMU top connector protective cap. Model ONLY the removable top cap, not the VMU. Overall target dimensions: 47 mm X × 7.5 mm Y × 14.5 mm Z. Match the original rounded, gently curved OEM shape. Create a hollow underside, 1.6 mm walls, internal connector clearance, locating ribs, and two strong snap-fit retaining clips positioned symmetrically inside the left and right ends. Use 0.25 mm mating clearance and 1.3 mm thick clips with chamfered entry edges. Include complete side and top walls—NOT a thin plate. One-piece watertight manifold mesh, correct millimeter scale, clean topology, symmetrical geometry, flat mating edges, no floating geometry. Designed for 0.4 mm nozzle PLA/PETG FDM printing and STL export. Prioritize mechanical fit over decorative details.