Regarding 3D printing machine, many people have learned a lot about dry goods, but they lack some practical skills. I often print out the failed model, which is time-consuming and labor-intensive, hard work, and the model that has been changed from left to right is horrible in the end. Here, I will summarize the previous knowledge for you, and help you to play a little help in the printing process. Today, I want to explain some questions about 3D printer work: