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Building a Cello

Preparing the back and the front

18/4/2020

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Because the cello is so large, the back and front are made from two bookmatched pieces. That means that the two pieces come from a single large wedge which is split lengthwise and then opened up like a book. As a result the left and right sides are mirror images of each other. One sees this very clearly on the figured maple back, but not really on the spruce front.

I started taking photos regularly only a little later so for this stage I don't have too much content.
Preparing the spruce front
I first planed roughly the underside of both pieces flat (no photo) and then prepared the edges  for jointing (left). After the glueing was done, I flattened the bottom surface and brought the thickness of the top plate down (right). I had decided to do the rough arching using the overhead router method described in Henry Strobel's Cello Making and I wanted to have a fairly flat top surface for that. One could have left the top as it was.
Preparing the maple back
The back was done in the same way as the front. I first prepared the joint and after glueing, flattened the surfaces. The maple is quite a bit more difficult to work with since it is a lot harder, and it has a lot of figure which makes it tear up more easily. The last picture shows the figure of the maple back nicely.
Some good references:
  • www.derekroberts.co.uk/making/frontplates.htm
  • osnesviolins.com/6.Top%20and%20back%20preparation.htm
  • www.makingtheviolin.com/Preparing%20the%20wood%20for%20the%20front%20plate
  • YouTube: Davide Sora: Incollagio delle giunte
  • YouTube: maestroKimon: Making a violin - step 4 - joining of the top
  • YouTube: maestroKimon: Making a violin - step 5 - planing and cutting the top and back
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    My son is outgrowing his cello soon. Could there be a better reason to learn how to make one :).

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