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Step 2Prepare your file
Most laser cutters use vector files to print. Ours (an Epilog Legend 36 EXT) can print PDF or Adobe Illustrator files. To build a correct schematic, export the footprint of your components (in this case female mini-USB ports) as vector files from Eagle or Fring. Import this to Illustrator, and build your own traces. Keep in mind a few things:
• we want the laser cutter to burn away everything that is NOT a trace, therefore the background is black and our circuit is white.
• 1.5pt lines are the smallest that can be drawn
• For text, no smaller than 5pt font, and should be placed as a negative inside of a box, otherwise it will get etched away
• If you are making double sided boards, finish your front side and then mirror. This is the easiest way to keep things lined up with each other.
• Be as efficient as possible : cram as many as you can together, it will make cutting boards later easier as well
• we want the laser cutter to burn away everything that is NOT a trace, therefore the background is black and our circuit is white.
• 1.5pt lines are the smallest that can be drawn
• For text, no smaller than 5pt font, and should be placed as a negative inside of a box, otherwise it will get etched away
• If you are making double sided boards, finish your front side and then mirror. This is the easiest way to keep things lined up with each other.
• Be as efficient as possible : cram as many as you can together, it will make cutting boards later easier as well
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