bike helmet 3d model

A minimalist children's bicycle helmet shell, pure geometry with absolutely NO straps or harness. The exterior surface is perfectly smooth, seamless, and flawless. To address the issue of ventilation, it features multiple large, symmetric, clean-cut rectangular cooling vents across the top and sides, like a geometric mesh. Aerodynamic sleek design, thickened solid manifold shell for safety. High-poly flawless geometry, water-tight for 3D printing. Professional industrial matte gray finish.