Basic knowledge of learning
Learn the basic knowledge of machinery, such as descriptive geometry, mechanical drawing, mechanical CAD, materials science, theoretical mechanics, material mechanics and so on.
Visiting practice
If you have the conditions, you can go to the machinery factory more after school or during holidays to increase your perceptual and rational understanding.
Look at pictures and objects.
Look at more pictures and compare them with real objects, and you will have an intuitive understanding.
Design actual products
Try to design more practical products. Only by designing specific products can we know what our shortcomings are and master our knowledge and skills better.
Ask the master for advice
Learn more about the old masters in machinery and ask them for advice.