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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 MTU 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 Dec 3, 2015 and Nov 29, 2016 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.


Klbarie (talk) 06:51, 3 December 2015 (PST)

Thomas Korejsza (talk) 07:53, 1 December 2015 (PST)


Pneumatic or hydraulic systems[edit | edit source]

  1. Use Air Bearings for Ultra Low Friction Bearing Surfaces Pnjensen (talk) 07:45, 1 December 2016 (PST)
  2. Use Hydraulic Linkages to Transfer Power to Moving Gantry to Reduce Gantry Weight Pnjensen (talk) 07:49, 1 December 2016 (PST)
  3. Use Soft Hydraulic or Pneumatic Actuators as a Delta Configuration Pnjensen (talk) 07:49, 1 December 2016 (PST)
  4. Extrude UV-Curing Epoxy and UV Expose using a long hydraulic tube and syringe pump to reduce extruder head weightPnjensen (talk) 07:51, 1 December 2016 (PST)












cylinders will replace hydraulics/pneumatics

  1. extrude plastic using cylinders
  2. cylinders to push completed print off bed
  3. Move large printheads (Build a house)
  4. Cylinders to level bed
  5. reduce vibrations from stepper motors
  6. Automated bed swapping
  7. Automated spool replacement
  8. Printer storage management
  9. print head swapping
  10. replace steppers with cylinders
  11. Extrude materials other than plastic
  12. Automated punching defense system
  13. Print hydraulic system
  14. cylinder mechanical limit switches
  15. Hydraulic emergency brakes
  16. Hydraulic rods as linear rods to extend print area