First of all, please be clear about your purpose, whether it is the beginning of students' courses, for work or for eating later; Just do simple graphic modeling or animation, or do you want to add light and shadow?

Judging from the current computer, it can be done without texture and animation display, and it can be done for more than 3000 yuan. Of course, it is best to use Nvdia's single graphics card.

Generally speaking, Intel E3+4G+H87+G630+ 1T hard disk. Basically enough for study. Of course, 3D animation, light and shadow are definitely not enough.

If you have money, you can use NV's professional graphics card. Game cards and professional cards are still much worse.

Note: AMD's CPU and graphics card are not recommended. It is best to add an SSD hard disk, and it is best to do animation above 256G G.