The Forest-Tree Classroom project is a hands-on shelter ... the middle trunks before connecting them into one diamond frame as the main structure. The arch force is supported between two sides ...

To enter a forest with Bob Leverett is to ... The next time he went to measure the tree, Leverett brought along a specialist in timber-frame construction named Jack Sobon, who had a surveyor ...

The tree house has an expansive ... couple of comfy chairs positioned towards a huge window that perfectly frames the forest outside. Nearby, the cozy kitchenette has custom-built cabinets ...