catamaran hull 3d model

simple RC catamaran boat, 210mm length, 210mm width, 80mm height. two identical symmetrical slim outer shells (50mm width each) with 80mm gap. sharp pointed nose, straight sides, flat bottom with slight V shape (10 degrees) for speed. thin hollow shell structure, open top container shape, uniform wall thickness 3mm, empty inside, no solid filling. smooth clean surfaces, no rough mesh, no noise. strong rectangular connecting beams (20mm thick). flat bottom edges for stable 3D printing. very simple geometry, minimal details, watertight closed mesh, no holes, CAD style, STL ready.