This is a case for my Huawei mate 20 pro which I designed and showed the build process in 2 short YouTube videos.

https://youtube.com/shorts/eTGtvWcaE9k?feature=share
https://youtube.com/shorts/gKUKGAczmXI?feature=share

Consider that some parts are not fitting perfectly and have to be prepaired before assembly. The files should be printed at 100% of their size (mm scale).