Lid: square with a side length of 35 cm (13 3/4 in)
Box: square with a side length of 23.5 cm (9 1/4 in)
side length of 8.25 cm (3 1/4 in)
height of 4 cm (1 9/16 in)
This video describes how to fold a fantastic origami box featuring the Square Interlace Tessellation designed by Michał Kosmulski.
Michał kindly gave me permission to make this video accessible to you.
Square Interlace Box (Michał Kosmulski): Instructions