Perceptions Posted on Monday, Aug 6, 2018 12:47AMMonday, August 6, 2018 by Sughra RazaKai Franz. Untitled Plopps No. 101 After a Stormy Night with an Open Window, 2014. Sculpture Materials: CNC-Code, CAM-Software, Plopper (Dual-Axis Precision Deposition System), Polyurethane, Pigment, Sand Dimensions: 34″ × 28″ × 5″More here, here, and here.