Official Luthiers Forum!

Hello! Im new member here! I'm interested in finding a way to easily cut strips (black and white) for the tonewood . The material is celluloid. How do you or someone else use them to cut them? Their width is 2 mm their thickness is 0.40 to 0.60 and 50-60 cm length. I'm looking to find a machine or my own construction that I can cut straight and right one from the other. Manual always. Any idea? Thank youfor the attention!!

This is a tool used to cut strips from Formica (HPL) sheets. It may (or may not) work for cutting celluloid plastic. It slices strips without any "kerf" loss:
https://www.amazon.com/Virutex-C015L-Po ... B000071NUW
Most cabinet shops that do laminate work will have a few of these and may let you use it so you can try before you buy.
They do make large stationary cutters for production work:
https://www.specialtytools.com/shop-by- ... tters.html
And there are other various tools in between:
https://www.ebay.com/p/1324615033

Maybe this'll give you some ideas, may well work fine with celluloid -
viewtopic.php?f=10117&t=19132
Made my own version, used for cutting purfling to height - viewtopic.php?f=10101&t=52216&p=687019&hilit=+viewtopic.php%3Ff%3D10117%26t%3D19132#p687019

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The name catgut is confusing. There are two explanations for the mix up.

Catgut is an abbreviation of the word cattle gut. Gut strings are made from sheep or goat intestines, in the past even from horse, mule or donkey intestines.

Otherwise it could be from the word kitgut or kitstring. Kit meant fiddle, not kitten.

If you want to move the tool rather than pull the material you could use a gramil (the same tool some use for cutting binding ledges) and line the material up with the edge of a cutting board.
How to make one:
https://www.youtube.com/watch?v=f821SaEm8E4
There are also simpler all wood designs.
Robbie O'Brien set up video:
https://www.youtube.com/watch?v=wL0eHnXPKU0