Diagram Of A Brazillian Wax How Would You Draw A Diagram Of Spherical Time?

How would you draw a diagram of spherical time? - diagram of a brazillian wax

I wandered around the Internet trying to find a pattern, but the weather balloon is quite difficult to find, only in respect, let alone something as simple as a chart. Does anybody know that is a have or at least a vague idea of what to do?