Can I Print D&D Miniatures? Humanoid Miniaturesīeginning with the simplest example of basic character design, humanoid characters can represent your hero or any secondary or tertiary character as miniatures that that aren’t necessarily orks, goblins, or the like.Where can I find free STL files for D&D?.Hints and Tips for 3D Printing Dungeons and Dragons Models.Make Your Own D&D 3D Models for 3D Printing.