3D print yourself a snap fit case to house a QT Py and a STEMMA QT breakout board. The bottom cover has built-in holder for the QT Py that can be secured without any screws!
YouTube Video
https://youtu.be/NaFqSdJdPmQ
Wipper Snapper Quick Start Guide
https://learn.adafruit.com/quickstart-adafruit-io-wippersnapper
QT Py Snap Fit Case Learn Guide
https://learn.adafruit.com/qt-py-snap-fit-case
QTPY ESP32-S2
https://www.adafruit.com/product/5325
AHT20 STEMMA QT
https://www.adafruit.com/product/4566
STEMMA QT Cable
https://www.adafruit.com/product/4210
M2.5 Hardware Kit
https://www.adafruit.com/product/3299
The author marked this model as their own original creation.