Shaping a walnut neck with my neck contour jig

My interpretation of a neck contour jig inspired by the original idea of Bill Scheltema. I wanted to have a version which is easily adaptable for different scale lengths and also one which does not take too much space in my shop if it is not needed. Using a carriage which supports a plunge router, the depth of the router bit can be adjusted easily and - even more important - precisely.

The main idea is built around a 40 x 40 mm Aluminium Construction Profile as center beam holding the guitar neck. If you need different scale lengths, you only have to make the center part and the sides which are used as rails for the cartridge.

The profiles which are guiding the rotation of the center beam just slide into the Construction Profile and can be easily exchanged. The recess in the center of the profile which follows the aluminium profile keeps it safely in place and does not allow movement.

I use a Festool OF 1400 router together with a 3 flute 12mm router bit. The router bit has a full length of 100 mm which is needed to reach the final depth of the profile.

The plans for this jig are publicly available. Just head over to my blog to find more details about the build and downloads:

https://www.on-guitars.com/blog/jigs/building-a-neck-contour-jig/

If you have access to a Shaper Origin, you can alo find this jig in ShaperHub:
https://hub.shapertools.com/creators/5df1fc9db21490000fcf34fd/shares/5f04be39de27460010cc5230

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