2 motors can be used, but I only have one, and it drives a belt reduction on one side of the table, and that drives a shaft that has the spur gears on both sides of the table.
If this doesn't make sense I will try and get some good pictures of the arrangement up.
Clean circles are possible with plasma, but I suggest cutting your holes about 1/16 smaller than you need, then finish drilling them to the exact size needed. Especially with the 350 series Hypertherm in 1/4 plate.
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