Prepare emergency means beforehand to compensate for the relatively low reliability of an object. • Magnetic strip on photographic film that directs the developer to compensate for poor exposure • Back-up parachute • Alternate air system for aircraft instruments

This principle is proposed to solve the following contradictions: 1/271/342/345/137/279/2710/1110/3411/3313/514/2714/3214/3415/2718/2819/2722/2727/427/927/1227/1427/1827/1927/2127/2227/2827/2927/3427/3828/2728/3429/2730/3532/1332/3432/3734/134/234/734/1034/1434/1534/2734/3234/3635/3037/1337/3238/27 - See more at: http://www.triz40.com/aff_Principles_TRIZ.php#sthash.Ktouxg5P.dpuf

This page was part of an MTU course MSE4777 OA and MSE4777 OB/MSE5777/EE4777/EE5777: Open-source 3-D printingPlease leave comments using the talk page. The course runs in the Fall semester. It is not open edit.Read more...
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.

Beforehand cushioning

  1. Change the grease used on the guide rods to reduce the sound of the 3D printer.Ampringl (talk) 07:53, 1 December 2015 (PST)
  2. Change the material of the print bed to a more elastic one than glass to absorb more energyAmpringl (talk) 07:53, 1 December 2015 (PST)
  3. Alter design of 3D printer to remove screws and install snapfits to allow ease of replacement of parts.Ampringl (talk) 07:53, 1 December 2015 (PST)
  4. Add cushions to bottom of printer to reduce vibration(sound) and improve precision. Ampringl (talk) 07:53, 1 December 2015 (PST)
  5. Add a secondary fan system to further control the temperature control and as a back up if the primary fan fails. Ampringl (talk) 07:23, 3 December 2015 (PST)
  6. add small cushions to the side of the printer for side protection.Ampringl (talk) 07:23, 3 December 2015 (PST)
  7. Add muliple beds which can slide out from the center of the printer revealing another printer bed.Ampringl (talk) 07:23, 3 December 2015 (PST)
  8. Change the bed screw holds to a gliding hold to allow the single print bed to be removed easily.Ampringl (talk) 07:23, 3 December 2015 (PST)
  9. Conduct a preliminary adhesive print to act as the glue we currently use.Ampringl (talk) 07:23, 3 December 2015 (PST)
    1. an additional print head would be helpful and a method to switch between them.Ampringl (talk) 07:23, 3 December 2015 (PST)
  10. Add rotary printing head set up to print multiple materials.Ampringl (talk) 07:23, 3 December 2015 (PST)
  11. Include a cleaning kit to remove built up plastic in the feeder motor.Ampringl (talk) 07:23, 3 December 2015 (PST)
  12. Modify the guide rods to be segmented(slide into themselves) to adjust their distance from the center.Ampringl (talk) 07:23, 3 December 2015 (PST)
  13. Modify Carriage to have 4 magnet slots(2 mirrored about their current position) to allow ease to switch to the motors moving a bed rather than a print head. Ampringl (talk) 07:23, 3 December 2015 (PST)
  14. Switch from the wooden frame to a segmented printed hexagonal(with empty space) architecture with snap fits to allow ease of construction and packing.Ampringl (talk) 07:23, 3 December 2015 (PST)
    1. This would allow more airflow to the underside of the printer.(if the side boards were modified in this way)Ampringl (talk) 07:23, 3 December 2015 (PST)
  15. Add a secondary belting system to reduce the tightening of components overtime.Ampringl (talk) 07:23, 3 December 2015 (PST)
  16. Add in a cover for the bottom of the printer, to take weight off of the 3 columns as protect the printer's brain.Ampringl (talk) 07:23, 3 December 2015 (PST)
    1. This should still have holes in the design to promote airflow.Ampringl (talk) 07:33, 3 December 2015 (PST)
  17. Add in fans to the base wooden design in order to cool the printer bottom more effectively.Ampringl (talk) 07:33, 3 December 2015 (PST)
  18. Add a air system to replace the fan to control cooling to a greater degree.Ampringl (talk) 07:33, 3 December 2015 (PST)
  19. Add a liquid cooling system for prints which need cool temperatures. Ampringl (talk) 07:33, 3 December 2015 (PST)
  20. Modify connecting rods to be bent in a semicircle to allow printing on angles for more complex geometries. Ampringl (talk) 07:33, 3 December 2015 (PST)
  21. Add a backup filament tube to switch out filaments before the filament motor. (kind of like a switch mechanism but for filaments)Ampringl (talk) 07:37, 3 December 2015 (PST)
  22. add a sponge like material right before the filament goes into the motor to collect dust/contamination on the filament.Ampringl (talk) 07:37, 3 December 2015 (PST)
  23. add a liquid cleaner onto the filament before it enters the feeder motor which will evaporate off upon printing.Ampringl (talk) 07:37, 3 December 2015 (PST)
  24. Add a lazer sensor to the bottom of the end effector to detect the actual distance for calibration and protection of the bed purposes. Ampringl (talk) 07:37, 3 December 2015 (PST)
  25. Add epoxy/glue to the connector plate to ensure it stays securely in the frame.Ampringl (talk) 07:40, 3 December 2015 (PST)













  1. Add extra layer of glue to mirror so you don't scratch it Njlanter (talk) 07:50, 1 December 2016 (PST)
  2. print bumpers for wood Njlanter (talk) 07:50, 1 December 2016 (PST)
  3. Use laser rod detection to detect if rods fall off Njlanter (talk) 07:50, 1 December 2016 (PST)
  4. Put a little extra grease on bearings Njlanter (talk) 07:50, 1 December 2016 (PST)
  5. Check mechanical parts before printing Njlanter (talk) 07:50, 1 December 2016 (PST)
  6. Add backup cooling fan Njlanter (talk) 07:50, 1 December 2016 (PST)
  7. Put protective coating over mirror so it doesn't break
  8. Change wood frame to metal frame to avoid warping Njlanter (talk) 07:50, 1 December 2016 (PST)
  9. Replace printed parts with professionally made parts Njlanter (talk) 07:50, 1 December 2016 (PST)
  10. Clean your nozzle before printing Njlanter (talk) 07:50, 1 December 2016 (PST)
  11. Remove dog fur from grease (i have a dog) Njlanter (talk) 07:50, 1 December 2016 (PST)
  12. Add a filter for filament before entering extruder Njlanter (talk) 07:50, 1 December 2016 (PST)
  13. Buy a razor to remove difficult prints from bed Njlanter (talk) 07:50, 1 December 2016 (PST)
  14. Use a more powerful power supply to compensate for having to lower the fan to print at higher temperatures Njlanter (talk) 07:50, 1 December 2016 (PST)
  15. Buy extra filament so you don't run out Njlanter (talk) 07:50, 1 December 2016 (PST)
  16. Put printer next to a smoke detector if leaving it alone Njlanter (talk) 07:50, 1 December 2016 (PST)
  17. Print out replacement parts because the ones on the printer will fail Njlanter (talk) 07:50, 1 December 2016 (PST)
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