Bottle Feed Screw

 From:  Frenchy Pilou (PILOU)
8430.51 
So can we consider that BottleFeedArray2 is better than native Sweep ?
(Start and End caps are perpendicular in each case)
Caps in BottleFeedArray2 are not perpendicular to the helix!
http://moiscript.weebly.com/uploads/3/9/3/8/3938813/sweep_orientation.3dm

EDITED: 19 May 2017 by PILOU