DiveController Posted November 23, 2016 Posted November 23, 2016 this might be useful Not sure how quickly that battery will discharge but a rechargeable would work, I guess, if it dies pretty quickly. Pretty neat!
Broithe Posted November 23, 2016 Posted November 23, 2016 Polystyrene / styrofoam cutters have been around commercially for a long time - many different formats are available. Much used in R/C aeromodelling, etc.
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