PCB engraving

Small projet for PCB engraving.

material:

3D printer (Prusa I3 Rewok 1.5)

Crews: M3x20 and M4x20 or 25

2 small springs (difficult to find use ruber band).

and 6x150mm inox or steel rod (150mm min).

I use Target 3001 and Flatcam free software for the schématique and gcode generation.

inspired video https://www.youtube.com/watch?v=sNh0ubRcTYU

Etched with ferric chloride.

and drill the hole with http://www.thingiverse.com/thing:1178187

Bad english. I am Swiss

I use