Thanks for the comments guys. The tool bit sits in a vee cut into the jig, which is at 30 degrees. If you need more pics let me know.
Edit: have a look at the jig here, does it help?
http://www.homemodelenginemachinist.com/...ers-14673/
Edit: have a look at the jig here, does it help?
http://www.homemodelenginemachinist.com/...ers-14673/
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