Semi-spherical Parachute Design

A semi-spherical appearance is the most common shape of a parachute.

semi-spherical-parachute
Semi-spherical parachute. Click to enlarge the drawing

Although it is not hard to make one, it can be quite time-consuming to get the right shape. The figure to the right should help out. In the figure two parameters are used:

n            stands for the number of needed parts
r             stands for the radius of the parachute.