Here I will show to make a 3d umbrella in 3ds max.
I have used following techniques in making of this tutorial.
[1]First create a sphere of radius 100 and 32 segments.
[2]Convert the sphere into hemisphere.
[3]Then convert it into editable poly.
[4]Then select the bottom polygon and delete it.
[5]Switch to edges mode and select the edges like this […]



