Thingiverse
MakerWorld
MyMiniFactory
Printables
Thangs
Cults
CGTrader
Youmagine
Gambody
Etsy
3D Printable Models
Scifi Crate - Short
MakerWorld
Josh-3D
SciFi Crate - Large
MakerWorld
Josh-3D
Large folding box. Print in place. No supports
MakerWorld
ID3D
Flexi Rex - separate parts for huge prints
Thingiverse
DrLex