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Instrument Making School - Lecture 4, Inserting the Blocks Once you have completed Lecture 3, you will need to insert the blocks. First if all, you will require a block of spruce 24 cm x 6 cm x 4 cm. That is well oversize and this is what you need to cut your blocks out of.
Figure 4A - Block of Spruce Firstly cut the top and bottom blocks. Make sure that the grain is going up and down so that it can be carved. The best way to get that is by splitting the wood with an axe or a small knife. Make sure that the blocks are oversize and fit them in the mould. The height of the blocks should be 32 mm. The blocks should be bookmarked either side. Make sure that the blocks have the grain facing in the direction as in Figure 4B below (see arrows).
Figure 4B - Note the direction of the grain To fit the blocks in, you will need a completely flat surface. I personally use a piece of marble. Proceed to insert the blocks so that there is an equal distance from where the block ends on the top and bottom side (see Photo 4C).
Figure 4C - Equal distance You will only need to put a dab of glue on the sides only so that they fit snuggly but also ensures easy removal when we need to take the mould out of our half finished violin. Once the top and bottom blocks are sitting on a flat surface, glue top and bottom side blocks in, ensuring they sit flat and should fall into place. Clamp all blocks using the holes that you made in the violin mould. You should have something that looks like this:
Figure 4D - Mould with blocks glued in Please do not hesitate to call or e-mail me for help. We realize that you will have many questions regarding this lecture (the procedure is quite confusing). As such, feel free to contact Mario on violinmaker@violin-world.com Lectures: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Next |
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