Minimum base sizes
We recommend that your base should be no smaller than the minimum base size listed below and no more than a few inches larger.
The first dimension listed is the depth and the second dimension is the width. The depth refers to the sloping wall.
8'x8' minimum base size = 2.427m x 2.404m
8'x10' minimum base size = 2.442m x 2.942m
10'x10' minimum base size = 3.155m x 2.956m