home / woodwork / mechanical grounds Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide) mechanical grounds / 36” x 31” x 18"constructed using 46 used coffee bags and assorted bicycle components—this piece was arranged in a layered composition and sealed beneath a high-gloss epoxy resin top coat.