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Jellybox improvement based on 11. Cushion in Advance

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Revision as of 09:45, 20 April 2018 by Jacob.huss (Talk | Contributions)

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Hotend.JPG This page is part of a Principia course ENGR242: 3-D Printing Technology

Please leave comments using the discussion tab. The course runs in the Spring semester. It is not open edit.



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Notice: Broad and/or obvious patent claims for 3-D printing technology may hamper the open-source 3-D printing community's ability to innovate. Previous work on an algorithm protected 3-D printing materials. This page is part of a Open Source 3-D Printing class project to investigate 3-D printing concepts using TRIZ and is presented here as a defensive publication of prior art to help identify obvious 'inventions' for 3-D printing.

Examiners: The ideas on this page dated April 2017 were developed by university students with less than a semester of formal 3-D printing experience (or by an instructor in class) and thus should be considered unpatentable because of obviousness to any person skilled in the art of additive manufacturing.
Appropedians: This page is open edit. Please fee free to add ideas and sign them below with ~~~~ or to use any of the ideas to built better open-source 3-D printers.


  1. Make the 3D printer safer for children by blocking direct touch to the metal part of the extruder.
    • A hollow, aluminum cylinder will fit right around the metal extruder.
    • The cylinder should be aluminum since this metal conducts little heat.
    • No part of the cylinder should directly touch the metal extruder.
    • The aluminum cylinder should be just 1 mm higher than the end tip of the extruder.
    • This is a very cheap solution that should interfere with the printing process, yet prevent young children from getting burnt.

Jacob Huss (talk) 08:33, 20 April 2018 (PDT) Alan Freeman (talk) 08:33, 20 April 2018 (PDT)