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300X USER GUIDE
PART 3: PRINT!
The last and most fun step is printing! Once you choose your file to print and slice it, your 300x will heat the
nozzle and build plate to melt the filament. When it's heated, the printer will run the print bed calibration and
begin!
Make sure your filament is fully loaded and the print sensor is calibrated to the correct height. If your print curls
up or pops loose, the nozzle is too far away. If the first layer of your print is barely showing up, or the extruder is
making a popping noise, then your nozzle is too close.
Adjust the knobs under your printer to raise or lower your bed, or re-run the print bed calibration again to reset
your Z-Offset. The Z-Offset is the distance your BLTouch print bed sensor uses to calibrate - it is the distance
your nozzle is programmed to be from the print bed. See the troubleshooting section for more information.
PART 4: DIFFERENT FILAMENT TYPES
Filament is the material a 3D printer uses to create your model. It is a thermoplastic formed into a continuous
wire and wound onto a spool so it is compatible with a 3D printer's extrusion system.
The 300x has a dual-geared extruder and can print in several different materials. The three we recommend
beginning with are:
PLA (polylactic acid) is a biodegradable thermoplastic polymer derived from the starch in plants (normally corn)
that is used for 3D printing. It's easy to print with and inexpensive. It's the main one we print with!
TPU (thermoplastic urethane) is a semi-flexible plastic that is used in 3D printing. It's like flexible rubber!
PETG (polyethylene terephthalate glycol) is a thermoplastic polymer that is chemical resistant and durable. Most
water bottles are made of PETG. It is an excellent impact and temperature-resistant material, that perfect for
when you need something more Durable than PLA!
Drew's Note: I don't recommend printing in ABS. ABS is better suited for
injecting molding and produces harmful fumes. It is also hard to print with and
requires a bed temperature of 110C. Although the 300x print bed can reach
110C, the default magnetic print surface will demagnetize.
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Last Updated 12.23.2020
Version v1.1
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