mechanical or taiji mechanism designed for laser cutting. There are 2 leaves. When you rotate the Drive Partor the middle plate, the center hole can open or close gradually. The center hole is diameter 50mm, the outer size is diameter 120mm and thickness is 12 mm. The parts' thickness are 3 mm. Because your material's thickness may be less or thicker than 3mm, perhaps you need to make some change accordingly when assemblying.To assemble the parts togther,some metal parts and glue are needed: 1. Diameter 1mm length 5mm-pin; Diameter 1mm,length 12 mm pin; M2X12 screw; M2 hexagon nut. It is can be used as a single functional module on other product, such as a box cover.

STEP and DXF format files are included. The FBX ,STL and OBJ format files can be deleted,they are only for cgtrader's requirement.Download free 3d pdf file: https://www.twothreed.com/