((#(1.2 0 1.1) #(0 0 1) #(0 0 1))
(#(1.2 0 -1.1) #(0 0 -1) #(0 0 1))
(#(2.5 0 0.5) #(1 0 0) #(0 0 1)) 
(#(2.5 0 -0.5) #(1 0 0) #(0 0 1)))