XL Heated Glass Build Platform PCB 300mm x 150mm

thingiverse

My latest Makerbot Replicator build platform upgrade includes a new high brightness LED that lights up the glass beautifully, allowing me to write glowing lettering or logos during the printing process. However, I found that the LED on top is now too flickery and annoying. This upgrade also features a ditto functionality that allows for two more columns of parts on one build plate when using Sailfish firmware. Additionally, it increases build width by 33mm with either right or left extruder when using single extrusion. The extra surface area of the build plate takes longer to heat up, so only opt for this modification if you want the extra room or if most of your prints are multi-hour affairs. The platform is 37mm wider on both sides than the original, and I provide detailed instructions on how to set up printing with ditto and single extruder models. To create the build plate, I used information from Gary's update and my own electrical experience to design a PCB with two zones of trace, resulting in a total wattage of 134.49. The new platform took longer to reach temperature compared to the original due to its increased surface area and thick glass, but it holds heat better between prints. I left all copper on the bottom for soldering parts around the edge and am working on a system to clip the glass down. Finally, I provide detailed instructions and PDFs for etching or milling the 1oz board and wiring up the components with a remote connection or directly onto the board.