Those who fancy 3D modeling need the MarkerBot in their life. This 3D printer uses raw feedstock or biodegradable material known as PLA to build some amazing 3D replicas. Whether its an entire chess set, iPhone 4S protection case, or reproductions of famous sculptures, hobbyists have an endless number of crafting options to play with. They’ll just have to crank out $1,800 to get their build on.