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  1. I'm making some plaster molds for slip casting and hoping to get them dry as soon as possible. My school has a drying cabinet which consists of a space heater and one of those big square electric fans blowing into basically a steel filing cabinet. It's very homemade but seems to work well enough for everyone's molds. At home I have a normal dehumidifier which can get the air down to below 30% humidity and outputs a bit of heat. I've had success drying paint overnight if I put the dehumidifier in a closet. Can I use the dehumidifier in combination with short spells in the oven at low temperature? Which one of these is a better option for drying my molds? Are they even remotely comparable? Thanks