I am a biomedical engineering student. We are required to draw a model in AutoCA

I am a biomedical engineering student. We are required to draw a model in AutoCAD of a prosthetic limb for an amputee leg above the knee, with the modifications that are written in the file.
i just want to do this part :
″4.1. CONCEPTUAL DESIGN DESCRIPTION :
Create a conceptual design of the biomaterial, considering the feasibility of manufacturing and testing. Include figures to illustrate.″