This is either the greatest or the scariest Halloween pumpkin on Thingiverse.
Place a battery operated tea light inside and see which it is.
Enjoy!
Battery Tea Lights similar to these.
I found them at the Dollar Store.
Update: After printing several of these for friends and family, I modified the Lid support to make it easier to remove.
Lid2.stl | 1.8MB | |
Pumpkin2.stl | 3.4MB |