For those DIYers amongst us, the next step after getting the hang of making and using printers with 200 x 200 beds is to build bigger printers. It is a simple task to scale up most of the DIY designs (RepRap etc), but the biggest problem is how to make a bigger heatbed. I'm not talking about 300 x 300, which I think is commercially available. I'm talking BIG, like 1200 x 1200.

Let's discuss how to make such a big heated bed.

Old Man Emu