Heater for Elegoo Mars Printer

I designed and built this heater for my Elegoo Mars printer because I wanted to use resins that print best at 30 degrees C or higher without heating my whole house to sweltering levels. It is designed to sit between the printer base and the cover, with a duct connected to the back that has a 60mm fan and heater core embedded in it. A pair of vents allow heated air in and cooler air back to the heater to recirculate without the resin fumes spreading around the room.

It's controlled by an electronic thermostat unit and powered by a 200 watt power supply (150 probably would have been OK). I also designed a printed enclosure for the thermostat and power supply that's included in the project files. The thermostat is simple to program and comes with a sensor that you place inside the printer enclosure to maintain the set temperature.

Of course I printed everything on a decent sized filament printer as all these parts would be too large to print on a resin printer. But if you want to sl