罐头开罐器3d模型

Design a professional jar opener tool for 3D printing, matching the reference image exactly. DESIGN FEATURES: - Plier-style dual handle design with ergonomic textured grips - Circular gripping jaw with internal serrated teeth (adjustable 40-120mm diameter) - Compound lever mechanism with visible pivot pins - Sleek, industrial aesthetic with smooth curved surfaces - Matte finish texture on handle grip areas MECHANICAL SPECIFICATIONS: - Double-pivot compound leverage system (handles to jaw) - Internal ratcheting teeth: 2mm tooth height, 5mm spacing - Three connection points with 6mm pivot pins, 0.45mm clearance - Jaw opening range: 40mm minimum to 120mm maximum - Handle length: 160mm, jaw depth: 45mm PRINTABILITY: - All parts designed for print-in-place assembly - 3.5mm wall thickness at stress points - Maximum 45° overhang angles - No support material required - Single-piece construction with living hinges OUTPUT: High-detail STL file, <100k faces, manifold-clean geometry, productio