Ideas for CNC machines - make it simple

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For the 2019 HackadayPrize I'd like to demonstrate how to implement a couple of simple ideas in your future CNC projects.

Norbert Heinz

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DIY direct granules extruder, simple construction
06/29/2019 at 08:07 • 0 comments

I have added a DIY direct granules extruder to one of my 3D printers:
The print head is as simple as I could think of, but maybe I can do it even simpler...
Next question to answer is how to get the right sort of granules from the right sort of plastics.
All infos on my pages:
https://homofaciens.de/technics-machines-3D-printer-Granule-Extruder_en.htm
Matrix plotting with a 3D printer
05/17/2019 at 15:45 • 0 comments

A couple of more parts turned my plotter into a dot matrix printer. It's for sure no replacement for an inkjet, but another educational tool that visualizes the difference between vector and bitmap graphics. I am utilizing the filament extruder to speed up the movement of the pen.
More on my pages:
https://homofaciens.de/technics-machines-3D-printer-Zonestar-Printer_en.htm
Turning a 3D printer into a plotter with automatic pen changer
05/04/2019 at 14:59 • 0 comments

I have turned a 3D printer into a plotter with automatic pen changer:
Up to four colours are picked automatically during plots. I have written a command line program in C to access the plotter through USB and a Perl script to convert Scalable Vector Graphics into Gcode commands. More on my pages:
https://homofaciens.de/technics-machines-3D-printer-Zonestar-Plotter_en.htm