Laser engraver, PCB drill and Pin or Marker drawing attachments.

The design has a quick release mechanism for changing tool heads from Laser engraver to PCB drill to Pin or Marker drawing attachments. That will be mounted at the back of extruder stepper motor of Prusa I3.

Additional components for:

A)     Laser engraver

1x -LA03-3500 450nm 3.5W Blue Laser Module TTL Modulation Fan Heat Sink for EleksMaker DIY Engraver (from Banggood.com)
 
1x - EleksMaker® Blue-violet Laser Goggles Safety Glasses Laser Protective Eyewear (from Banggood.com)
 
4x – M3x10mm bolts
 
B)      PCB drill
 
1x – C9058 DC motor (I got this from my old HP printer and I use this in manual drilling PCB)
 
1x – wire connector to fit the spindle of motor and small drill bit.
 
2x – M4x10mm bolts and nuts
 
C)      Pin or Marker drawing
 
1x – Pin or Pencil or Marker (I use permanent marker for etching PCB)
 
1x – M3x20mm bolt and nut
 
D)     Quick release mounting plate
 
4x – M3 bolt (length depends on the type of stepper motor)