Interface Dynamics of Hollow Box Ratios:

A = 2
B = 1

Sides 1 + 2 = B x B
Sides 3 + 4 + 5 (top) + 6 (bottom) = A x B

Ideal Spacial Ratio for Human Living = A x B x B

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Hollow Box with All Sides Closed - The Cage

Hollow Box with Side 1 OR 2 Open - The Cave

Hollow Box with Side 1 + 2 Open - The Tunnel

Hollow Box with Side 3 OR 4 Open - The Cinema

Hollow Box with Sides 3 + 4 Open - The Home

Hollow Box with All Sides Open - The Imaginary Space