12" Heat Bed
- Lulzbot 24V - $80 - https://www.lulzbot.com/store/parts/24v-silicone-heater
- $60 - [1]
- $20 - Put 2 of these together - http://www.ebay.com/itm/Prusa-i3-3D-Printer-Heatbed-Silicone-Heater-200W-w-NTC3950-Thermistor-12V-24V-/222473887949?var=&hash=item33cc7a20cd:m:m551kt19IlGpzQTcMtBUvCA
- Polyimide - put 16 of these together - [2]
- 28"x14" - [3]
- Silicone heater belt - [4]