Lithophanes - What are they? Lithophanes are impressed with images that are made distinct when placed in front of a light. Lithophanes Atlanta offers: High durability PLA Deep enough to capture fine detail 100% Biodegradable 30 day replacement warranty Rush option available (will appear when orders get backed up) 3D Printing Each Lithophane is unique and 3D printed to order. Order Here navigate to the order page. Still Curious? Click an item to learn more.