Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:6025236.

Made this to support a dragchain bought on aliexpress (model R18, 10x20 open)

Part 1 holds tyrh chain, cable and air tuber on the laser head.

Part 2 hold the other end of the top chain.

Part 3 holds the side chain to the Y gantry.

You'll need some M3 screws and some zip ties.