3DP3BLROD20A-Iris mechanism for 3d printing 3D 打印模型

Iris mechanism designed for 3d printing. There are 3 blades. When you rotate the "Drive Part"or the middle plate, the center hole can open or close gradually. The center hole is diameter 20mm, the outer size is diameter 56mm and thickness is 8.3mm. To assemble the parts togther,you need to prepare some M2 screws. It is best to use resin material when 3d printing. And you may need to sand some parts due to the 3d printing quality. Parts should be printed separately and then assembled together. Free 3dpdf: https://www.twothreed.com/