Old Time Camera Model - Mechanical Puzzles

Novel Design: 3D assembly model, old-fashioned double reflex camera, 3D three-dimensional stitching, mechanical iris structure, tenon-and-mortise wedge structure design, mechanical gear transmission, good work originality, full texture Excellent Workmanship: Selected high-quality wood, safe and environmentally friendly, using high-precision machine tool laser cutting to make each part achieve the perfect splicing feel, glue-free and nail-free perfect connection and fit, make each part more solid and beautiful, uphold the ingenuity, present beautiful and interesting wooden organs Interesting Assembly: Assemble the parts according to the instructions, a total of 41 delicate wooden parts, the time required for assembly is about 1 hours, and the size of the finished model is 14 x 8.2 x 7.5cm Significance and Value: Ingenious childlike, enjoy the process, you can enjoy DIY fun by assembling models. The combination of hands and brains will keep you happy, which will help improve your han