Building a Cello–Step #6

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Step #6–Leveling the Garland

Stanley low angle plane, Sanding board

I began leveling the edge of the garland by checking the garland against a flat surface (plywood with formica– probably not dead-flat, but close), marking the most obvious high spots, then going around and removing them with a sharp small hand-plane (Stanley Low-angle).

Sanding Board

For final flattening I used a “sanding board” I made from a wide sanding belt (salvaged from a cabinet shop, where they are used and thrown away) glued to a doubled layer of plywood. (The plywood was 3/4″, which is not stiff enough to stay flat. I doubled it, using glue and screws, so it is 1-1/2″ thick, and about 24″ x 48″ flat dimensions.) I used a spray contact adhesive to affix the abrasive fabric to the board. I think the grit is about 220, and pretty worn. A little coarser would have made the job go faster, but this does really smooth work.

The board looks like this, after it has been used a while:

 

Sanding board with Cello Corpus

This is the sanding board I made of plywood and abrasive cloth.

Using the sanding board

The way it is used is very simple: press down firmly and rub back and forth vigorously. There was probably between a half-hour and an hour of hard work, rubbing the two sides completely flat. One thing I do to ascertain that it is coming out flat, is to mark up the surfaces of the edges and ends of the blocks with a pencil. When all the marks wear off, it is flat. If you don’t use the pencil marks, it is hard to see the last few low spots.

 

Flattening the gluing surface of a cello garland.

This is how the sanding board is used: vigorously!

Good exercise, I suppose. Tires me out, anyway.

The next step is to trace the shape of the plates, but we haven’t talked about joining the plates, yet, so that (joining the plates) is next on the list.

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