Colouring Engraved Letters HOW ?

Post questions, share ideas and techniques relating to engraving and impact imaging
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Colouring Engraved Letters HOW ?

Post by RoyT » Tue Jun 23, 2015 3:21 pm


i am very new to this.

I have a small cnc machine which I use to carve tetx into wood / metal.

How do i colour the letters ? painting them is messy ..I assume there is a way to infill the engraved letters with a colour.

I know this is probably basic ..but it has me foxed :-(



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Re: Colouring Engraved Letters HOW ?

Post by Engraveit » Tue Jun 23, 2015 5:47 pm

When i start on LEGO i plan on trying the push it in with a q-tip / cotton bud method, then wipe off the excess with something very flat eg a small wooden block with damp muslin cloth over it.

It will hopefully work, i watched a few vids on youtube showing similar with engraved acrylic.

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Re: Colouring Engraved Letters HOW ?

Post by whatdoiknow » Wed Jul 01, 2015 4:30 pm

The best way I have found on wood is as follows:

1. Engrave, carve, make your pattern
2. Seal the wood with sanding sealer/shellac - 3/4 coats
3. Apply a hard wax and buff the whole piece well
4. Rub acrylic paint into the detail areas (electric toothbrush works great)
5. Remove excess paint using a plastic card scraper - be quick as the acrylic can dry fast when it's thin
6. Wait for the acrylic to dry properly 2-3 hours usually
7. Re-apply wax and buff off using a cloth wrapped around a block of wood (stops it trying to pull the detail out and helps remove any stubborn bits)
8. Step back and admire your work!

For a colour, I find Burnt Umber one of the best for contrast in lighter woods.

Good luck

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Re: Colouring Engraved Letters HOW ?

Post by legin » Wed Jul 01, 2015 6:10 pm

Adding to your previous reply, you can use a syringe to apply the the acrylic paint. If the paint is to thick use thinners to thin it out. Leave it over night to dry and it should be all right by the morning. Dont be afraid to experiment on scrap materials, that is the best learning curve for anyone.

All the best.....Nigel

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Andrew Dudley
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Re: Colouring Engraved Letters HOW ?

Post by Andrew Dudley » Fri Jul 24, 2015 11:56 am

Another one that works is by covering the wood with some self adhesive PVC vinyl, then cut through that vinyl and use it as a mask to paint/spray. This works nicely on wood, acrylic, corian that I have tried.
Andrew Dudley
Business Manager - 3D & Dental
Roland DG (UK) Ltd

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