Instructables
Picture of scrimshaw
Scrimsaw is the beautiful art of engraving bone or ivory, I haven't fully mastered it yet, but I got enough knowlegde to pass it on :)

you'll need:
 - a knife or at very pointy needle. I made my engraving pen out of a screw that got its end filed sharp
 - Ox bone or deer antler. You can use Ivory, but with the laws around it today, I wouldn't recommend it
 - Ink, in any and all colours you would like :)

ready? then let's begin

Step 1: Sawing and sanding the bone

Picture of sawing and sanding the bone
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first you cut a piece of oxbone and sand it quite well. You have to work to the finest grain you got, so the ink won't settle in the creases.
Now you can draw your design onto the bone, or transfer it with parchment paper

I transferred a litte mermaid for my piece

Step 2: Scratching the image

Picture of scratching the image
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Now you take the pointy needle or knife and scratches the outlines marked by the pencil. Just go slow and steady, every scratch will be seen in the end product.
The closer you scratch, the darker the area will become. You can use that for working shadows in more elaborate works.

Step 3: Ink it!

Picture of ink it!
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When you've scratched the image you remove the last pencilmarks and colour the bone with you're chosen colour of ink. If you got a brush, use it and try to keep to the scratched areas. Then you don't have to sand so much and get lesser residue in unwanted areas.
When the ink is dry, sand an polish the bone.
Tadaa, your first finished piece of scrimshaw :) for more elaborate images, just try google it ;)

 
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siamonsez3 years ago
I did this once in 2nd grade or so, but we used plaster, I bet it can look really great in bone though, and could be set in jewelry if you wanted. One thought that might make the process easier and finished product neater is to wax the surface to fill in remaining gaps and protect the surface before carving the design. The wax could be safely removed afterward with a heat gun.