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Overview:
I extensively modified a consumer 3D printer (Creality Ender 3 V2) to support a wide range of engineering thermoplastics and composite filaments, achieving capabilities comparable to systems 7x the cost.
Modifications:
Hotend capable of reaching 450˚ C
Custom Marlin Firmware
Heated bed capable of reaching 200˚C
All-metal extruder
Enclosure capable of reaching 70˚C
Focused Part Heater
various other minor changes
Results:
This printer started off as a cheap 3D printer capable of printing PLA and PETG. After all of the modifications, it is now capable of printing materials like PEEK, CF-PEKK (carbon fiber reinforced), ULTEM, TPU (flexible), and still the materials it was able to print when I first got it. As a result, I have used it for everything from flame-retardant parts for my NASA HUNCH project to lightweight PLA parts for my fully 3D printed remote-controlled airplane.
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