Please help everyone in the mold industry?

I graduated from a junior college and worked as a fitter for two years. I was only a generalist, and I didn’t reach the level of a master. I felt that the masters would only let me punch holes, grind something with a grinder, and mill something with a milling machine, and I'm not allowed to touch with the matching mold. So I have resigned these few days, I feel so tired, confused, and lost my direction. I was extinguished with the enthusiasm of learning technology at the beginning. Now I want to develop in mold design or CNC programming. I just want to ask the great gods, which is better? How to get a teacher quickly? How to finish the apprentice career from the masters quickly? It's uncomfortable if you don't want to be such a half-hearted level !  How to get out quickly? I don't want to be so half level always of this technology, I am  very uncomfortable!

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1. It is very important to learn to make molds. It is very important to have mold design experience. You should read more atlas and be able to use a kind of 3D graph software proficiently. First of all, determine what kind of specific mold you want to make, and find a skilled mold making factory as a teacher. Learning with the teacher will quickly make a mold.
2. Mold design is a subject that involves a very wide range of knowledge, and there is no shortcut! It is necessary to master the mold processing technology to design a good mold.
3.In addition, buying a tutorial for yourself is the best way. But you should learn by yourself and ask for advice.