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Simple Christmas Pyramid

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Creation's quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.
  • 1.5k views
  • 9 likes
  • 71 downloads

3D model description

  • another christmas / winter themed design
  • modeled in fusion360
  • inspired by traditional german christmas pyramids (https://en.wikipedia.org/wiki/Christmas_pyramid)
  • simple, minimalistic approach
  • powered by rising/moving air from a heater / radiator / etc
  • do not use open flames!
  • uses a small magnet and some steel balls as a rotational bearing
  • there are model versions for 13mm steel balls, and 1/2" steel balls ("_inch")
  • the arc base structure consists of 3 parts glued together
  • ther are model versions for D10xH3mm and for D8xH3mm zylindrical magnets
  • you need to print "base" 3 times and one "bladering"
  • model units are [mm]
  • https://youtu.be/Eks_HvOsT2U

Edit 20171203
- after a few weeks, the steel balls creating the rotational joint seem to have flat spots which increase friction and stop the rotation of the bladewheel
- I added a very small steel ball (one from a 608 skate bearing) in between to decrease magnetic forces and minimize contact area
- It works better than before and spinns and spinns and spinns
- might not work for everybody, depends on how strong your magnets are

3D printing settings

  • 0.2 for the base, 0.15 for the bladering
  • brim recommended for bladering part, due to thin blade structure
  • I had some issues with blade warping during my prints
  • no supports/raft required
  • printed in DasFilament PETG
  • 3D file format: STL
  • Last update: 2017/12/03 at 21:11
  • Publication date: 2017/11/16 at 14:36

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License

CC BY NC


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