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What 3D printer?

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  1. nurdle.org
  2. Hardware
  3. Wednesday, 13 March 2019
  4.  Subscribe via email
The printer that we have decided to use for our initial experiments is the MPCNC (Mostly Printed CNC) which is a machine designed and supported by V1 Engineering

This is a large format X-Y gantry style machine that has enough clearance to fit a nurdle (pellet) style extruder. The machine uses a modular style of tool mounting system that also allows it to be easily converted to perform other functions such as CNC machining / vinyl cutting / PCB milling / plotting / etc.

Other 3D printers can be used, but it is worthwhile checking out how much space they have as the nurdle style extruder is physically a lot larger than the traditional filament style hot ends and may interfere with the supporting structure. The physical strength and stability of the machine are also factors worth considering as they will have a direct relationship to the print quality with the heavier hot end offset from the printer structure.

The plans for MPCNC are available to download for free under a creative commons share-alike license from the V1 engineering website.

The extruder design is available from Metabolizer.org - a project to develop an open-source, rapidly-deployable emergency infrastructure system that can meet as many human needs as possible by breaking down trash and locally-available biomass. They have developed the extruder to specifically work with the MPCNC, which they have also adopted for their own project. Interestingly the Metabolizer project also utilises the same granulator / shredder design that we use - from PreciousPlastic.
References
  1. https://www.v1engineering.com/assembly/
  2. http://www.metabolizer.org/
  3. https://hackaday.io/project/139958-metabolizer-a-recycling-center-powered-by-trash/details
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Here's a video of the MPCNC showing its versatility...

  1. more than a month ago
  2. Hardware
  3. # 1
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And here's a view of the MPCNC set up with the Metabolizer extruder

large_thumbnail.jpg
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  1. more than a month ago
  2. Hardware
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