Thursday, November 19, 2020

Chambered body, electric mandolin 4- Koa back

I’ve been working on the Koa back, to match the sides that you would have seen in an earlier post. One aspect of making the back, that I knew would be challenging was to cut out the access panel for the electrics. Why? Well, normally on my solid bodies, I route the control cavity and make up a cover from aluminium, brass or whatever. But on this one, as it has a thin back, I thought it be a nice idea to carefully cut-out the opening for the cavity and keep the “waste” to use as a matching cover.  I first saw this idea on those amazing Alembic basses; it’s a feature they call it a “continuous wood backplate". However, lacking sophisticated machinery, I had to use my router, a template and template follower and a 1mm diameter cutter. 


I saw these cutters on eBay awhile back from someone called the Highland Slate Workshop. Now, if you’ve drilled 1mm holes you know that the drill can bend or break quite easily, so it was with some trepidation that I put a 1mm cutter into a plunging router……….

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