3-Speed Mooring Winch Gearbox Housing

Create a parametric 3D CAD model of a heavy-duty rectangular gearbox housing for a 3-speed manual mooring winch. Overall dimensions: - Length: 420 mm - Width: 180 mm - Height: 180 mm - Wall thickness: 10 mm Create a hollow cast-metal gearbox housing with a removable flat top cover. The housing should have rounded corners, realistic fillets, four bottom mounting feet with bolt holes, and two parallel horizontal shaft openings. Shaft references: - Input shaft bearing opening: Ø30 mm - Intermediate shaft bearing opening: Ø40 mm - Shaft centre distance: 225 mm Add cylindrical bearing bosses around both shaft openings. Add a removable top cover with approximately 8 bolt holes and a central cylindrical boss for a manual 3-position gear shift lever. Use realistic manufacturable cast gearbox geometry. Keep the model as editable parametric solid bodies. Do not model gears or shafts yet.

Parameters

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