Ortur Laser Master 2 laser head height adjustment modification. For easier height adjustment.
Extra parts required:
1x old CD-ROM laser head sli...der
2x 11x4x5mm ball bearing
1x M3 rod
1x load-spring for adjustment knob
M3 standard and self locking nuts and bolts
Because this mod moves laser head littlebit forward, you need to move x axsis endswitch to new location, use end_switch_bracket.stl for this.
This is few years old modification and I don't remember exact assembly. But I know that all pieces are here for download. Usually I try design all parts this way that they don't need support.
Edit: I think the most critical part is old CD-ROM slider, I don't have any info for this. I'll add .stl and freeCAD files for this. CD-ROM rod dimensions 3x85mm.
3d model print parameters
Printer brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
No
Resolution:
0.2mm
Infill:
25%
Filament brand:
gembird