Tell us about yourself!
I believe those are on the silkscreen front/back layer(s), not the solder mask.
Man, wall-ball was the best! Nice job.
Pan Frying and Sauteing
PCB Concepts and Materials
Circuit Board Design Class
Best part of the build: "prepare your fancy hands." Haha, awesome instructable.
Ok...these are genius works of art here. I've never seen anything like them before. Have you attempted to sell any of them? Amazing job.
Mosquito Killing Ovitrap
Uber Home Automation w/ Arduino & Pi
Maple Bacon Ice cream
Homemade Dryer Sheet Replacement
Cheap and effective Sous Vide cooker (Arduino powered)
Chocolate Guinness Cake with Irish Cream Frosting
Ultimate Raspberry Pi Home Server