The fine folks at http://112.74.127.234/?product=laser-for-3d-printer are now selling 5w lasers compatible with our printers for $500.00 US plus shipping.



We should be making a video today showing how to either convert a 2D DXF file into gcode for the laser, or take a flat .stl model, slice it one layer thick with no top, no bottom, 0% infill and usually one vertical shell, and just add a line of gcode to turn that slic3r output into gcode for the laser.


The line of code explained:
M106 P[%] T[Tool]

M106 - go into laser mode
P100 - 100% power on the laser; can be between 0 and 100
T2 - Use tool 2 (0-1-2-3) or T10 to broadcast to any connected tool (laser)


Actual examples:

M106 P100 T2

M106 P85 T10


Note, I normally use P100, and then change my print speed to get the desired penetration. Be sure to change ALL printing moves to this speed. example:

G1 X93.774 Y82.926 F1800.000 ; move to first skirt point


Just be sure that all printing (lasing) moves are at the speed you desire. This is most easily done with the "Set all G1 speeds to" button in Repetrel.

Cheers!