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Obvious 3D printer technology based on 14. Spheroidality

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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.


MOST Delta filament as guide.JPG This page was part of an MTU course MY4777/MY5777/EE4777/EE5777: Open-source 3-D printing

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


Instead of using rectilinear parts, surfaces, or forms, use curvilinear ones; move from flat surfaces to spherical ones; from parts shaped as a cube (parallelepiped) to ball-shaped structures. • Use arches and domes for strength in architecture.

Use rollers, balls, spirals, domes. • Spiral gear (Nautilus) produces continuous resistance for weight lifting. • Ball point and roller point pens for smooth ink distribution

Go from linear to rotary motion, use centrifugal forces. • Produce linear motion of the cursor on the computer screen using a mouse or a trackball. • Replace wringing clothes to remove water with spinning clothes in a washing machine. • Use spherical casters instead of cylindrical wheels to move furniture.

Matthew Olson (talk) 07:26, 4 December 2018 (PST)

  1. Print bed is dome shaped to easily print bowls with exact shapes Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  2. More complex infill setups to strengthen parts in certain areas Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  3. Use roller ball at the end of the hot end extruder to increase the quality of the print Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  4. Mount print head at angle and rotate the print while printing to enact a true vase mode Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  5. Rotate part to stabilize temps Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  6. Rotate part to cool faster Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  7. Rotate part to create centripetal forces for different shapes Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  8. More complex infill setups to reduce overall weight Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  9. More complex infill setups to modify the balancing point of the part Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  10. Use spherical casters to carry bed to and from instead of linear rods Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  11. Use spherical casters to carry hot end around and replace frame Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  12. Use spherical casters to carry roll of filament to keep it near the hot end Matthew Olson (talk) 07:26, 4 December 2018 (PST)
  13. Use spherical casters to carry the bed away and cycle in a new one for automated printing Matthew Olson (talk) 07:26, 4 December 2018 (PST)


Cjkmiec

1. Use a sphere where different size nozzles, different tools like a 3D-Printing syringe, CNC can be stored in a clockwise manner. You can circulate the nozzles and tools as per your requirement like microscopic lenses.Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

2. you could store one or two hot ends with different functions inside the sphere when the space runs out on the surface and bring them out to replace any one on the outside as per the requirement. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

3. Filament can be wound on a globe structure. Like yarn after inserting the starting end inside and into the hot end which inturn is placed in the globe structure. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

4. Make a transformable print surface that may transform to a flat surface or a curved surface with customizable radius. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

5. A rolling surface that could be replaced by the hot end could apply glue on the print bed automatically at the start of a print job. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

6. A spherical hopper can be used to maximize the amount of scrap plastic that it could hold for a recyclebot. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

7. A conveyor belt kind of mechanism can be used on the concave print bed to make the plastic flow smooth on all the curves. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

8. A flat bed that could transform into a sphere of different radius can be used to print hollow parts. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

9. Ball bearings could be used to rotate the print bed with very less friction. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)

10. The filament could roll out of the hot end in a ball-point type mechanism to be applied on every layer of the object. This enables very thin layers. Sasank Potluri (talk) 07:20, 4 December 2018 (PST)


1. Use the underside of a hemisphere for the hot end to travel on. Cjkmiec (talk) 07:33, 1 December 2015 (PST)

2. Use a concave hemisphere of any size as a print bed to create curved undersides with no support. Cjkmiec (talk) 07:33, 1 December 2015 (PST)

3. Use a convex hemisphere of any size as a print bed to create curved undersides with no support. Cjkmiec (talk) 07:33, 1 December 2015 (PST)

4. Use ball-in-socket rollers for the movement of each axis. Cjkmiec (talk) 07:33, 1 December 2015 (PST)

5. Use a rotating print bed to allow for smoother curved lines. Cjkmiec (talk) 07:33, 1 December 2015 (PST)

6. If print head is traveling on the inside of a hemisphere, print could be done in shells as opposed to layers, could allow for superior surface finish. Cjkmiec (talk) 07:33, 1 December 2015 (PST)

7. Mount entire printer in a centrifuge to help with bottom layer adhesion and part stability. Cjkmiec (talk) 07:50, 1 December 2015 (PST)

8. Use dynamically adjustable connecting rods to change the angle of the print head, allowing to print by shells instead of horizontal layers. Cjkmiec (talk) 07:50, 1 December 2015 (PST)

9. Use a bowden cable lined with micro rollers to reduce friction. Cjkmiec (talk) 07:50, 1 December 2015 (PST)

10. Use ball bearings that are pushed into gears on the axis to eliminate linear bearings. Cjkmiec (talk) 07:50, 1 December 2015 (PST)

11. Use a hot end mounted on a controlled vehicle to print giant spheres, planet sized. Cjkmiec (talk) 07:50, 1 December 2015 (PST)

12. Use PLA in small spheres that are then melted and screw extruded for printing. Cjkmiec (talk) 07:50, 1 December 2015 (PST)

13. Using a ball point pen style tip to draw/paint a brim layer. Cjkmiec (talk) 06:44, 3 December 2015 (PST)

14. Have the hot end travel on a circular track that moves on vertical axis to allow for printing in shells. Cjkmiec (talk) 06:44, 3 December 2015 (PST)

15. Mount a hot end with the extrusion end pointing upwards, use supporting rollers that are driven around the hot end to print a sphere. Would likely require a 'starter sphere' to build off of. Cjkmiec (talk) 07:02, 3 December 2015 (PST)

16. Mount multiple hot ends radial around an axis, rotate to during printing to allow for multiple material or color printing. Cjkmiec (talk) 07:02, 3 December 2015 (PST)

17. Give very slight concavity to the print bed to discourage warping. Cjkmiec (talk) 07:02, 3 December 2015 (PST)

18. Give very slight convexity to the print bed to discourage warping. Cjkmiec (talk) 07:02, 3 December 2015 (PST)

19. Mount hot end horizontal and rotate at a high speed to print with the assistance of centrifugal force. Would require a cylindrical print bed. Cjkmiec (talk) 07:02, 3 December 2015 (PST)

20. Mount a series of extruder drive gears in a circle to get better grip on filament and reduce filament crushing. Cjkmiec (talk) 07:08, 3 December 2015 (PST)

21. Put print bed on rollers to allow for a movement of print bed to do multiple prints. Cjkmiec (talk) 07:08, 3 December 2015 (PST)

22. Use the inside of a large cylinder for the z axis, have a cross piece that rotates on the inside for x and y directions. Cjkmiec (talk) 07:08, 3 December 2015 (PST)

23. Use a hemisphere for the top of the printer for greater stability, protection, and filament spool mounting. Cjkmiec (talk) 07:09, 3 December 2015 (PST)

24. Put printer in a spherical housing to protect the printer from small children and vice versa. Cjkmiec (talk) 07:14, 3 December 2015 (PST)

25. Put a ball check valve in the hot end to have fine control of extrusion. Cjkmiec (talk) 07:14, 3 December 2015 (PST)