this post was submitted on 21 Mar 2025
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Woodworking

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For a small musical instrument I need a thin sheet of spruce (1.5mm). Normally I'd just buy a guitar or lute top, but for this one I need the highest quality I can get, with very narrow rings. So my idea is to saw down a blank for a violin top (25mm at its thickest point). I need to do this with as little waste as possible, because a good spruce top can cost 100-300€.

Is there a way I can do this with hand tools?

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[–] JASN_DE@feddit.org 8 points 2 weeks ago (1 children)

That is a very thin sheet. You won't get sub-mm precision with hand tools, especially the way you'd have to cut.

You could look for high-end veneer, that could already match your thickness.

[–] alleycat@feddit.org 2 points 2 weeks ago* (last edited 2 weeks ago)

I don't need to cut it to final thickness right away, since I have to graduate the thickness by hand anyway. Being in the ballpark of 3 or 4mm might be enough.

Edit: also, most veneers I found were plain-sawn, and I specifically need quarter-sawn.

[–] dumblederp@aussie.zone 2 points 2 weeks ago

Sand paper it down? It'd take ages.

[–] SkyNTP@lemmy.ml 1 points 2 weeks ago* (last edited 2 weeks ago)

For very thin veneers, very sharp shaves or block planes with months or years of practice or specialized machinery are probably the way to go to minimize waste.

A table saw with a thin kerf blade is probably the most practical approach, if you don't have months to dedicate to this project. I remember someone doing something similar for a guitar build at a local maker space.

[–] sga@lemmings.world 1 points 2 weeks ago

My vote is for a precession saw or laser cnc

[–] gloktawasright@lemm.ee 1 points 2 weeks ago

I think you could do this with a pull cut plane after you cut to close to the correct thickness with a hand saw. A pull cut plane will prevent the thin sheet from buckling as you try to thickness it, just have to get clever about anchoring it. You could glue a board to the back and then hook it on a table using that board, plane it until you’re satisfied, then cut the board off.