I use corks a lot, and invested in a table top band saw purchased on e-bay. Makes short work of halving them and I get twice the use! I don't suggest using a sharp knife as it is time consuming and beats up your wrist :)
I bought a little coping saw in the hardware store and that seems to work just fine. When you get to the bottom, just hold the cork up in your hand and you can finish sawing in half. You can sand the cut edge with a piece of medium sand paper.
Where did you find the forms to put the corks into to make the trivets?.. Please advise
A sharp knife will do, but why bother cutting them in half? I just used them whole when I did that.
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