I got it to work with a plugin Looptools.

1. making a circle.
2. Adding a grid fill then adding subdivide.
3. Extrude the whole thing

And eventually just pulling the points up and downwards of the triangles!

Worked like charm, got the info from a friend.

I got it to work with a plugin Loop Tools.

• making a circle.
• Adding a grid fill then adding subdivide.
• Extrude the whole thing

Lastly, pull the points up and down on the triangles.