Hi Kalimar,

You’re right, you just have to watch carefully, measure the amount of material that needs to be removed and adjust the depth of cut accordingly and in small increments. I stopped before the cut reached the line at the back of the nut, figuring that a wee bit of extra flat area behind the nut would be preferable to not enough width for it to sit on. If you did take too much off, a headstock veneer would help to fix things.👍😃

Regards,

Brian.😃

I tend to cut my angle then plane it to the line before adding the fretboard or chopping the end off the neck. That way I can move the fretboard back if needed. I'd imagine it might be you safest option doing it with the router. 

@nsj I found I needed to do this and was grateful of the length of the neck blank.

I guess if you're making your own nut you can adapt the depth of the nut, within reason, too.

Posted by: @liebe

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I guess if you're making your own nut you can adapt the depth of the nut, within reason, too.

That is how I do it. On my last build I cut a shallow slot (~0,5mm) with the exact thickness of the nut, and then just shaped the nut and dropped it in the slot.

Awesome - thanks folks. Very helpful suggestions. I'll leave it unsolved in case anyone else has ideas.
Have a great rest of your day!