Here's my understanding of the mechanism:daniel_reetz wrote:Wow, some very interesting design improvements indeed. Bonesgeorge, how does your new cradle account for books with varying thickness? I can't see an adjustment - maybe I'm misunderstanding things. Thanks for the great pictures.
The two wings are independent, and the amount they are separated by is determined by the length of the string underneath holding them together. The elastic cords pull the wings apart, so that the string is always taut, and the separation is maintained. To change the spacing, the string's length is adjusted.