diameter as seen from above. but that's just a dome, not a sphere. flat earth versus globe. 

is this your rsvp? 

😏 

 how are you building it? 

 way too complicated. and i am about to have lemon cheesecake. 

 just for reference 

https://x.com/the_valley33001/status/1733347198245761463?s=46 

 leave a note for what you need me to be sure i show when i build the new one.