A housing for the Waveshare 7.5 inch display.
A battery, the ESP32 and the charging electronics can be accommodated in the housing.

Necessary parts:
ESP32 Mikrochip Waveshare 
Waveshare 7.5 E-Ink Display
Chargeelectronics (TP4056)
Battery (3.7V) 
Jumpercabel (Not absolutely necessary, can simply be soldered instead)
Batterycabel (Not absolutely necessary, can simply be soldered instead)
Screws (2x10mm)

Necessary tools:
Soldering iron
3D printer to print the housing. You can of course also build your own housing from wood/cardboard etc.

Assembly:
The display is attached to the front using double-sided adhesive tape. The ESP32 and the battery can be inserted into the housing. Unfortunately, the charging electronics are also glued as they have no cut-outs for screws. I simply used hot glue.
Take care not to drill into the cables with the screws when screwing them together.

More details:
https://spacepc.de/wetter-display-mit-esp32-und-3d-druck-gehaeuse/
 

Software:

https://github.com/G6EJD/ESP32-e-Paper-Weather-Display

Print settings:
0.2mm(standard), gyroid infill, tree support.