This thing is a simple structure case for "PyGamer".
[ PyGamer ; https://www.adafruit.com/product/4242 ]

----- update 5/30-2019 -----
[Minor modification]

cad file ; pgm047.stp ( .123dx) ==> pgm157_.stp (.123dx)
stl file ; pgm047b.stl , pgm047c.stl ==> pgm157b.stl , pgm157c.stl

...There are only 2 parts.
Probably you will find out how to assemble by looking at the pictures.

FlashForge

Creator Pro

No

Yes

0.2mm

50% or more

temp. : 210c/43c(bed)rnspeed : 50mm/srnlayer : 0.2mmrntop Solid Layers : 3 / Bottom; 3 / Shell; 2rn