for 3d animations and 3d printing. Blender.
I do not understand why use a paid software or cracker. Gimp is a free software. he does the same thing. in fact I understand you very well. the problem comes from the teachers. as he does not know he is afraid to teach open source. or to be ridiculous. but in professional life. companies no longer necessarily have money to pay for licenses. the future will entrust this position.