Sindoh 20x20 Sindoh 20x20 from Ed Blackman Sindoh 20x20 Sindoh makes 3D printers. The nested arches control the traffic flow that can view their product. gLike Sindoh 20x20 Sindoh makes 3D printers. The nested arches control the traffic flow that can view their product. 3D Studio Max Share R 7 n Available Freelance, Full-time Ed Blackman exhibit and display designer Cambridge, MA Follow Contact