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Similar stands for protein purification from Promega and Millipore cost anywhere from $45-377 (for 8 position stands). That's ludicrous! It is plastic with a neodymium magnet inside. So I designed my own and printed it out in about 25 minutes (total cost around $2, including the rare earth magnet inside). The stand is sized to fit two 3/4" x 1/2" by 1/4" rectangular magnets, although the space should accommodate and work perfectly with other smaller/rounder rare earth magnets. It is also designed to be modular, in that the first prototype here fits together with tape, such that you can transform the two-position stand into a four-position stand by removing the tape.
I am happy to hear your comments, questions, and to see if anyone else can derive a better unit. I plan on quickly designing an 8-position unit sometime in the near future (per request, to replace the Millipore unit).
Print two of these babies, insert rare earth magnets, and tape 'em together.
Magnetic separation stand by NonDisjunction is licensed under the Creative Commons - Attribution license.
So what's this mean?
We're sure NonDisjunction would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!