Updated : 16/3 Add step 4, about using the stage.
Updated : 18/3 Add photos (cutting vinyl adhesive sheet)
Updated : 19/3 Add step 5, acting as pen plotter
Updated : 20/3 Add laser engraving video (Wood) and photo
Updated : 22/3 Add 2 drawings to show the structures of machine, also visit this link.
I read many posts and now I had finished my first mini Lazer Cutter.
The design is simple and reliable ( u can see the video )
It is using Arduino Duemilanove + GRBL (0.8c) + 100mW blue/ violet lazer with external battery power supply (5V)
Drawing program is inkscape + gcodetools, gcode sender is Unversai G Code Sender
I want to share with u but it is really difficult for me to explain it in english...
I just want to share some experiences, or, may be u can ask me...
Also, most of the technical things (especially about GRBL) u can find in the following articles.
I had read many GRBL lazer-cutter design (especially using CDROM as axis-motor)
most of them is beautiful but I can't made them.
It is because I did not have powerful tools to make them, even prepare a wooden board is difficult to me.
Since I think the axis-motor is running smooth, I use a metal frame together with few blocks to setup the structures.
I think u know how to build it by looking at the photo.
The tricky thing is.... u need to buy 3 small stages...
and all the stage/ metal frame are connected with a wooden block
the circuit in a small plastic box (photo) is a variable DC voltage supply, u can use any similar things instead.