What did we answer this week?

Was using external Mosfet boards for my hotend and heated bed, had the heated bed external Mosfet board stop working. Is this common? Any downside for using them on both the hotend and bed?

Do you send the STL file on the maker coin?

​I want to replace the smooth idler bearings on my ender with toothed pulleys, do you know what type I need?

And a lot of extra information

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