With a lot of people ordering from me, I decided to revisit trying to color etching on darker plastics. I found that cheap correction fluid works great! You'll want to make sure it's pretty thin so it wicks into the etching nicely. Add a nice thin layer over the etched areas of your parts and let it dry:
After letting it dry use a paper towel or a nice non-abrasive cloth and rub off the excess dried marking fluid to reveal the crisp text and graphics underneath:
