Parametric design in MoI?

 From:  speedy (AL2000)
7713.433 In reply to 7713.415 
Hi Max and Friends .
I am trying to redo the exercise (twist), (simple in Grasshopper ) but can not find the same Node
Polygon pts-
Node that I can use at the time, has three called input
center, radius, sides,
and not two , as the one used in the video......
Where am I doing wrong ????
Thanks for your help
al
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