Sawing jig 3

Most of the patterns I do for casting are carved in wax. Many years ago I bought a microscope (which is another story for a different post) and straightaway it was so much easier to see what I was doing. As well as the waxcarving I do find it very useful for stonesetting and other fine work. I have made quite a few tools for working under the microscope to cope with the restricted space. A couple of years ago I decided to make some patterns for snowflake stud earrings that were sawn out with an 8/0 sawblade. There is just enough space under the microscope to get the sawframe in, but the top of the frame gets in the way, you have to peer around the side and it’s not easy.

It occurred to me that if I tilted the sawing jig forwards at the top, as long as the saw was still at right angles to the top of the bench pin I could follow the pattern on the metal.



This is the first one I made, a bit rough but it does the job.


Checking that it is a right angle with the top of the bench pin


I got an adjustable height bench pin holder from Rio Grande, an extravagance, but it does stop you hunching over your work.


And here is the result, a five pence piece shown for size, 18mm for the coin. All sawcuts are vertical, and a slight advantage is that you can only see the sawblade not the frame so all your cuts are on the line!

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