//hcyl

Command	Parameter	Description
//hcyl	<radius> (<radius>) <height>	Create a hollow vertical cylinder around player's feet based on radius and height..

This the exact "//cyl" with syntax "-h".

All the hollow cylinders have the thickness of 1-block.

The second <radius> is optional which results in a shape of a spheroid.

Example 1
//hcyl 95:15 20

Example 2
//hcyl 98 15 3

Example 3
//hcyl 155 20,5 5

Example 4
//hcyl 35,35:15,35:4 10,5 20