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DIY Magnetic Stirrer

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3D model description

Video of working stirrer:

This is my DIY Magnetic Stirrer. I have made this stirrer to facilitate dissolution of the HIPS support material with d-limonene.

The 3d files are only for support frame and magnet bed. To build this stirrer you will also need the following items:

  • Standard 80x80mm 12V computer fan
  • Power supply DC 6V - 12V. 12V is way too fast unless coupled with some resistor
  • Teflon coated stirrer (grab it from e-bay)
  • 2x rare earth magnets (mine are from old Seagate Barracuda HDD)
  • A drop of hot glue
  • Superglue
  • CD case

The magnet bed is designed specifically for 2 magnets removed from 40GB Seagate Barracuda 7200 HDD (about $4.5 from but you can easily modify it to accommodate different shapes.

Magnets are just pressed into the plastic bed.

Bed with magnets is glued to fan using hot glue gun.

Top and bottom parts of frame are glued together with superglue.

The frame clips onto standard CD case.

  • 3D file format: STL
  • Publication date: 2019/05/29 at 15:06



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