Beginners can put together a DIY 3D printer kit, but users with previous 3D printing experience can have as much trouble as a beginner. If the jigsaw is missing pieces or a shape wasn’t cut correctly, you might have to improvise. Having some experience helps, but the key to succeeding is to fiddle with the pieces. Other than stubbornness, there are a few things you need to know before starting a DIY 3D printer project.