3D-Printed ZU-23-2 Scale Model (23 mm Twin Anti-Aircraft Gun) with Armored Shield Set, 1/72 Scale. — armored shields with textured surface. The kit reproduces the distinctive features of this well-known Soviet towed anti-aircraft gun — the compact carriage construction, twin 23 mm cannons, and the recognizable silhouette that has been widely used in military conflicts around the world.