Blender is a powerful open source program in which you will be able to use knowledge related to graphic design, but oriented towards 3D. With the use of predefined meshes or created through curves, you will be able to create models of objects that can be perfectly brought to reality, even abstract concepts if possible, and even animate them to create spectacular videos that can help you sell a product or service. . 3D modeling has many applications today, from using it to create video games to creating applications of a scientific nature for simulations in high-performance programs, and being Open Source (Free Software) will take you by the hand to exploit your artistic abilities .