The author remixed this model.
I designed this sliding bracket to go with Doug's design
it fits the Zbaitu C80 eair
6 x M3 x 8mm hex bolts for mounting the laser to the bracket
i used 4 M4 x 10mm hex bolts for the sides with these knobs as a thumbscrew;
https://www.printables.com/model/172003-thumbscrew-top-for-standard-m4-hex-screw