heart-shaped button 3d model

Small heart-shaped button, clean and symmetrical design. Dimensions: 1.5 mm width, 1.5 mm height, 2.5 mm thickness. Front surface smooth and slightly domed, with soft rounded edges. No textures or decorations. Back side hollowed following the heart shape, with uniform inner walls and smooth interior. Add a rectangular loop on the back (sewing shank): Length: 7 mm Width: 2 mm Thickness: 2 mm Centered on the back Integrated smoothly with the body The loop must have a circular hole through it: Diameter: 3.1 mm Perfectly centered Clean inner surface No extra holes, no supports, no internal cylinders, no decorations. Minimalist industrial design, glossy plastic material (resin), smooth reflective finish. Optimized for high precision resin 3D printing.