75 available in this batch, holding back a few for warranty purposes. next batch in two weeks. the mounting holes are epoxy to eliminate chance of PCB delaminating at the drill points and comes with blue LED!
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This is a heatbed for a 3d printer. The design is a reworked and fully tested 100% clone of the Prusa Research. It is a multi zone heater design compensating for cold corners. The design uses three power zones where the corners heat couple °C more than the center to form warm air shield at the edges of the print bed.
There was a shortage of Mk42 heatbeds and the lack of supply prompted many attempts to manufacture the open source design. The design files were open source but the manufacture parameters were not. It prevented clones from being made, which we overcame with many rounds of trial and error.
We found the "secret recipe" so the boards function 100% identical to the Prusa Research mk42. After 6 rounds of beta testing and 3 rounds of final sample testing, we are ready to ship the final product, while others are merely shipping untested / un-vetted versions.
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United States Postal Service: Flat Rate Shipping
Flat rate standard post office shipping with tracking.
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I have been 3d printing for over 8 years, I am starting to design / manufacture electronics that will make it easier to design / assemble new printers.