bucky ball space frame joiners

Joiners to construct a buckyball from sticks or tubes.
A buckyball only needs one kind of joiner and one kind of rod.
Two sizes are posted here. One takes 6mm rods and one takes 3mm.
The parts could be scaled up to make large structures but it would be an expensive exercise.
A complete set of 60 3mm joiners needs about 100 grams of plastic.
Printed at .4mm layers they take about 5 minutes each.
For 6mm parts multiply that by a factor of eight.
For 12mm multiply by eight again.
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