E4.1 [Institute of Depth], graphite, watercolor, pastel on paper, 1.42x1.07m, 2019
E4.2 [Institute of Volume], graphite, watercolor, pastel and acrylic marker on paper, 1.42x0.9m, 2018
E4.3 [Institute of Proportion], watercolor, acrylic and graphite on paper, 1.42x1m, 2021