The Sod Sofa. ‘How much oxygen did your furniture produce today?’ Trim as necessary.

‘”Clear the area of grass and weeds until you have a level swath of dirt. Then sketch the shape of the couch into the dirt with a stick,” he explains. “Drive wood stakes into the ground along the perimeter every 18 in. or so, to a depth of about 12 in. These will secure the form.”‘