The sculptures that made her significant to the development of Minimalism were aggressively plain and painted structures, often large. Fabricated from wood and painted with monochromatic layers of acrylic, they often resemble sleek, rectangular columns or pillars.[11] Truitt produces in scale drawings of her structures that are then produced by a cabinetmaker. The structures are weighed to the ground and are often hollow, allowing the wood to breathe in changing temperatures.