Tutorial - How to make dodecahedron pot


That's what I did.
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Step 1:
phi=2*atan((1+sqrt(5))/2)
rad=a*(1+sin(18))
a=100
Draw pentagon, where a is a radius of circumscribed circle.
Create auxiliary datum plane passing trough the rib at an angle equal to the parameter phi.
Draw second pentagon.
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Step 2:
Make surfaces of them.
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Step 3:
Do array
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Step 4:
Do copy five surfaces with translation by the amount equal to parameter (2*rad) along Y-axis. The axis Y - perpendicular to the plane of the first pentagon. And rotation axis Z and X on180° and 36°, respectively.
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Step 5:
Combine surfaces and do displacement inside.
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Step 6:
Closing volume with surfaces. Make solid detail.
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Step 7:
Round, round and round.