Stepstruder Mk6 Plus Assembly

Choose your Destiny!

At this point, it's time to decide — will you be using 3mm or 1.75mm filament for your first prints? It's not difficult to change later, but you will have to partially disassemble your hot end to do so.

Make sure before you do anything that you check to see if you have the MK6 or the MK6+ (plus) kit. The former uses a pair of power resistors for a heating element and the more recent latter kit uses a cartridge heater to heat the thermal block directly. Instructions for MK6 with power resistors can be found here.

Stepstruder MK6+ 3mm Filament Setup

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The 3mm filament setup is similar to the original MK6 (and the MK5 before it) in that it uses the tried-and-true "Paxtruder" thumbscrew method to compress the filament against the drive gear. However, in addition to the direct-drive stepper motor system from the MK6 (and its better reliability, configurable speeds, and high torque) you get the "Plus!" That's the new, cartridge-based heating method that makes for much simpler assembly, heats faster, and eliminates yet more points of failure.

Next Step: Continue to MK6+ with 3mm filament!

Stepstruder MK6+ 1.75mm Filament Setup

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As you may know, 1.75mm is the way of the future. It might even be from the future. We're not sure, but it's good stuff — less torque, less ooze, and easier extrusion through smaller diameter nozzles. This option uses the same Delrin spring as in the Mk6, but adds the new "Plus" feature of the cartridge-based hot end, for faster heating and even better reliability.

Please note: "Way of the future" also means EXPERIMENTAL! 1.75mm filament does require more TLC than the 3mm configuration; this is ideal for tinkerers, intrepid hackers, and other folks who love to live on the bleeding edge.

Next Step: Continue to MK6+ with 1.75mm filament!

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