In my 3D-printable case, a Raspberry Pi 4 and the Waveshare connector adapter PCB are protected and optimally ventilated.

Looking for more Raspberry Pi housings? Check here: 

Features:

• Precise fit for my Raspberry Pi 4 and the Waveshare connector adapter PCB.
• Efficient ventilation for optimal heat dissipation.
• Required materials for the Raspberry Pi 4 and the Waveshare connector adapter PCB:

For more information, including a material list, visit: Waveshare Connector Adapter PCB Case for Raspberry Pi 4 (3D Printable STL Files)