My el-cheapo INSMA 2000mW USB laser engraver came today. I'm hoping to make some masks for chemical etching with it. But first:
and here's what the top of Snoopy's ear looks like under the microscope:
After some experimentation, I found that 4x4 pixels are about the limit of the printing resolution with each pixel being approximately 10 micron. Different materials, laser power and "depth" settings may yield better results. This is sufficient for my purposes.
