engine valve cover 3d model

Create a highly detailed 3D model of a Toyota Supra 2JZ-GTE style engine coil cover. Dimensions: - Length: 650 mm - Width: 152 mm - Base thickness: 4 mm - Rounded corners: 30 mm radius - Smooth filleted edges: 2 mm Design Features: - Three raised longitudinal ribs across the cover - Rib width: 12 mm - Rib height: 2.5 mm - Rib spacing proportional to cover length (~18 mm) - Top text: "(3000 VVT-I TWO WAY TWIN TURBO)" - Centered horizontally near top edge - Letter height: 16-18 mm - Raised 3 mm above surface - OEM automotive font style - Remove any other text (no "2JZ-GTE") - Six evenly spaced bolt holes along length - Hole diameter: 6 mm - Centered along width (76 mm from top/bottom) - Flat bottom surface for printing - One solid, watertight mesh - Smooth top surface suitable for sanding and painting - Raised ribs and text should have sharp, well-defined edges Output: - Export as high-resolution STL ready for FDM 3D printing - Ensure the model fits in a 650 mm × 152mm