This mount is for the BigTreeTech's PITFT 4.3" touchscreen, which works great with KlipperScreen. The screen can be bought on BTT's shop or on AliExpress.
Please, note this is designed to be mounted on Golas' V0.1 Trident skirt remix with 12864 LCD. It will not work (at least without modification) on the stock v0.1 skirts.
Needed hardware (corresponding to standard v0.1 BOM):
The author hasn't provided the model origin yet.