Hacked Gadgets Forum

February 21, 2011

Using Wax to give High Contrast on Engraved Plastics

at 7:50 am. Filed under Educational


When you are laser etching some stuff there isn’t much contrast in the end result. There are rub on products that you simply buff off the excess. Only issue is you have a short working time before it is on everywhere for good. I am all about using products that you already own and didn’t know it could be used in a new and creative way. That is exactly what James Williamson has done with the crayon. Who would be looking for a black crayon right after they had laser etched some plastic? Well after you see the results you might be that person. You simply rub the crayon onto the plastic piece letting it fill in all the grooves that are etched, wipe off the excess with some alcohol and heat to melt and level the remaining wax. If you the clock gear looks familiar you are right, James looks to be building one of my gear clocks!




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4 Responses to “Using Wax to give High Contrast on Engraved Plastics”

  1. CMPalmer Says:

    Haha, pretty good idea. We used to have to do this with polyhedral dice for D&D back in the old days. They were all molded from cheap plastic with engraved numbers that were pretty much unreadable. You would use a crayon like this, wiping off the excess, to make the numbers visible. You could also do fancy things like make the ’20’ on a d20 a different color to denote a critical or use multiple colors on each number for a fancier effect.

  2. Pouncer Says:

    I’m sure I’m giving away my age here, but we used to do this with D&D dice and crayons. Good times. 🙂

  3. MorteMoya Says:

    I did too. Dont feel too bad. I have also done that on my shifter. Just the stock shifter, but damn the red helps it POP!


  4. josh Says:

    I was going to say the same as the first 2 guys. I’m glad I’m not the only one who remembers that. I’ve used this process myself often for engraved serial numbers on some assemblies at work.

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