1- This app is powerful to draw the flange and polar array with any pattern hole , with 3 members .
2- Give you the cord of each member
3- Drawing is live is not a fixed picture.
4- mm an in units are exist
5- Add material of the flange steel , copper and aluminum and more
6- Give you the raw material weight if made from square
7- Give you the net weight of the flange
8- Enjoy with funny pattern