The file 'XT60 To USB3.0 QC Converter Case 3D Printer Model' is (stl) file type, size is 5.7MB.
Bought this cool BEC on AliExpress:PD65W Fast Charging Module Type-C USB Interface Supports PD3.1 QC3.0 SCP PPS Fast Charger 5V 9V 12V 20V
And decided to create a case for it. See the pics and enjoy. )