Laser Engraver Control Board + Inkscape extension

Sometime ago, i've built a small CNC Laser engraver, but it doesn't satisfy me, both the electronics and the mechanical...

After a while i've started to design a new control board for the Laser, this time i want all the electronics on a single PCB, both the movement control and the current driver of the laser.
The first step was to design the circuit : I've used the standard GRBL pin assignment, the LT3083 to drive the laser and the stepstick to move the motors.

NOTE: This is a REV1, I have already identified an improvement to do ...

Schematics (REV 1):

PCB (REV 1):




With these files I have made the PCBs:


Then I've soldered all the components and this is the result:




(In the next build i'll use the vslot to build the mechanics)

Update:
With the need to generate the GCode for the laser directly from an image, i've started to write an extension for Inkscape (http://www.inkscape.org/).

Installing:
Step 1) Download from "Attached Files:" (at bottom)
Step 2) Extract the archive and simply copy all the files in the folder "Extensions" of Inkscape

Code:

Windows ) "C:\<...>\Inkscape\share\extensions"
Linux ) "/usr/share/inkscape/extensions"
Mac ) "/Applications/Inkscape.app/Contents/Resources/extensions"

for unix (& mac maybe) change the permission on the file:
chmod 755 png.py
chmod 755 raster2laser_gcode.py
chmod 644 raster2laser_gcode.inx

Usage:

Step 1) Resize the inkscape document to match the dimension of your working area



Step 2) Draw or import the image


Step 3) To run the extension go to: Extension > 305 Engineering > Raster 2 Laser GCode generator



Step 4) Play!