Hello Chris As John says, a Dremel works well but be careful not to let it grab and get away from you or to let it cut too deep on a multi layer board. If you are using one of the traditional long and pointy Exacto blades I can understand the frustration. Try going to an art store and looking at the large selection of blades available. Look for one like a small jeweler's screwdriver about twice as wide as the trace. This will cut the trace cleanly and after the second cut you can sort of "plow" the connecting piece off. You will also need a blade with a short diagonal point for mask removal. Look at the Circuit Technology Center's web site for some good guides on cuts and jumper wires. Good luck John Thorup
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