There were even nipples in my 3d model but at this size some details are lost
Epilog Zing 24, i found used chasis with working card and step motors (guy was cutting PVC, the process creates sulphuric acid which ate parts of the air exhaust but mechanics were all right) for 1,5k $, bought new lenses and mirrors and original epilog laser tube for 3k $. Then had to install ventilators to suck the air out.
Its the lowest power, 30W, but its good enough for my purposes, cuts plywood just fine, its just not the demon of speed.