Resources:
Aerodynamics/General Engineering/Vehicle CADing Sections in PDF Library: PDF Library
MSXIV Aerobody Confluence Page: Aerobody
(good resource since MSXIV put a lot into aerobody design)
General Software Tools (CFD, FEA, etc.):
CFD
Simscale (online cloud-based simulation software)
ANSYS Fluent
Surface Modelling
SolidWorks
Very Rough Body Sketch (Some Math)
*** Extremely extremely rough idea of an angle for aero body will probably be awhile to find the proper math ***