It has been observed that engineering industry requires much more than just a degree. You need to have enough exposure and experience of working on the live projects. If you are looking to make a promising career in 3D designs and modeling, you need to work as an intern on live projects on construction sites or with an architect.
It is highly recommended to work with an experience technician or engineer who has enough knowledge and experience in this field. In addition, it is suggested to go through Solidworks tutorial on a regular basis. This way, you will make a great difference in your career.