GrabCAD
Generative Quadcopter
by GrabCAD
This is an entry to the Generate Quadcopter Challenge.
Topology optimization software what I used: Generate
Generate URL :
https://generate-de.frustum.com/?source=grabcad#/workspace/1219/scenario/3480

There are 12 pair of magnet what can hold together the upper and the lower part. The magnets are fixed by two-part resin epoxy glue.
Magnet cylinders specification: N50 5mmx2mm

Magnet:
http://www.ebay.com/itm/Multi-Size-Neodymium-Disc-Super-Strong-Rare-Earth-N50-Fridge-Magnets-Wholesales-/302036890513?var=&hash=item4652cd3391:m:mifXNN2dCB41hlk0YPv3VMg

Magnet pull force calculator:
https://www.kjmagnetics.com/calculator.asp
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