You must first convert it to G-code, tailored for your exact printer model and the material you use. Therefore, you cannot simply send a 3D object to the printer. The printer itself never knows what it is printing, nor in what material. The files you print contain a lot of codes, the G-code, with exact instructions on what the printer should run: G0 X12 move to 12mm on the X axisG0 F1500 Set the feedrate to 1500mm/minuteG1 X90.6 Y13.8 E22.4 Move to 90.6mm on the X axis and 13.8mm on the Y axis while extruding 22.4mm of materialįor a complex print, such a file quickly consists of a million commands. In itself, a 3D printer is a relatively stupid piece of hardware. G-codeīefore I present you with a solution, I’ll have to give you some theoretical background on 3D printing. Therefore, you have to control your printer by running around with an SD card and looking at an old-school monochrome LED screen. The Prusa i3 runs on an 8-bit microcontroller, which is highly specialized but does not have enough power to create a smooth user interface on a touchscreen in addition to printing. One thing that might scare off people who will buy a 3D printer (especially at Prusa) is the rather spartan user interface.

It’s been almost two months since I installed my Prusa i3 MK3S+, and I’m still happy as can be.

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