Update README.md

README.md

@@ -31,6 +31,7 @@ Then we cut the 2x4's down to size, and pre-drilled them with a 3D printed compo
 <img src="img/fab1.png" alt="scheme" width = "800px">
 
 ## Assembling the Dome
+Assembly took around 7 hours, with 3-5 people working on it continuously. 
 <img src="img/dome2.png" alt="scheme" width = "800px">
 <img src="img/assemble_early.png" alt="scheme" width = "800px">
 <img src="img/assemble_mid.png" alt="scheme" width = "800px">