purchase11b grid purchaseabastract layers purchaseabstract slab 1 purchaseabstract slab 2 purchaseabstract surfaces 1 purchaseabstract textures purchasebird form purchaseblue and rust purchaseblue fissure purchaseblue patches purchaseblue still life with yellow detail purchaseblue stones purchasecolour plates purchasecolour rocks purchasecomplex contrasts purchasecomposition blue orange 1 1 2 3 4 … 10 11 12 →