Fleshing out lobby and moving spawn back
Rotating central platform and enlarging
Reshaping central platform with nodraws
Shoring up nodraws on center platform
+Ring over lobby platform
+Support pillars for ring
+Rails around the perimeter
Enlarging ring and thickening pillars
Reshaping the ramps to fit the proportion better
+Rails around sides and back
+Rails to the front
+Dais for the chute
Raising height of chute teleport for no fall damage