R2D2 Dome Pie Top remix

R2D2 top dome pie remix of mr baddleys awesome r2 work. I didn't like how the top piece was loosely on top (hard to position perfect) so I added a lip so it can keep the part center and snaps flushly in place. it sits flush on the under side too creating a "keystone" effect possibly creating more strength as I plan to add the dual lift system posted on here, I forget who but a quick search will land you some fruit... I printed this with supports, then lightly sanded off any left over supports.