Doing it by hand with sandpaper is a nonstarter.
Also I don’t have a lathe :-/

  • sinnerdotbin
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    1 year ago

    Do you have a router table? You can do it with a round over bit and a fence. Fence radius distance from bit center, dowel flat on table and rotate towards fence. Usual router safety applies. Only 5" length to hold might be a bit sketch, but you could jig something up easy enough. You could rough it with a rasp first, but with a sharp bit it should be no problem.