Fibrex ABS+GF Filament - 1.75mm 1kg Black Nylon 1.75 mm PEI has a strong high

PEI has a strong high temperature stability

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For MK3 it needs to be 830 as it uses 32 bit microstepping

LGX™ FF SET

Set the whole cooling bar assembly on cardboard or other platform and set it on top of the printer like shown in the picture

Fibrex ABS+GF Filament - 1.75mm 1kg Black Nylon 1.75 mm PEI has a strong high3DXMAX ABS GF10 Glass Fiber Reinforced ABS Our glass fiber reinforced ABS is very stiff and strong allowing you to create structural parts without the lifting and warping that can happen with unfilled ABS. We use premium ABS and a special glass fiber chosen to be compatible with ABS and the FDM FFF process. Glass fiber is very abrasive and we strongly recommend using our A2 Hardened Steel Nozzles when printing with glass fiber reinforced materials.