The exact dimensions of the Pantheon of Rome are challenging to ascertain, particularly regarding the base, foundation, and porch structure. Key resources for accurate measurements include the websites: Architecture Revived, Architectural Moleskine, Engineering Rome, and Khan Academy. Users are encouraged to utilize photographs and floorplans for additional insights. Ultimately, creating a scale model may require piecing together various sources and making educated estimations.
PREREQUISITESArchitects, historians, model makers, and students of ancient architecture who seek precise measurements and insights into the Pantheon of Rome.
Thxjedishrfu said:You might get some insight here:
http://www.architecturerevived.com/the-pantheon-romes-architecture-of-the-cosmos/
http://architecturalmoleskine.blogspot.com/2010/09/light-and-pantheon.html
https://engineeringrome.wikispaces.com/Construction+and+Behavior+of+the+Pantheon
and here:
https://www.khanacademy.org/humanities/ancient-art-civilizations/roman/middle-empire/a/the-pantheon
Looks like you'll have to piece things together and make some good guesses though. Sometimes taking measurements from photos or floorplans works.