Furniture construction: angled cabinets with Hettich face angle hinges - YouTube
45° Angled Soft Close Hinge - https://cabinetsanddoors.co.uk
Optimat Caravan/Motorhome Cupboard Hinge, Face Frame Hinges With Screw On Cup / 9072548
LIKERAINY 45 Degree Hinge 35mm with Hydraulic Damper for Special Corner Door Soft Closing Hinges for Cabinet Cupboard Wardrobe Folding Angular Doors Pack of 4 : Amazon.co.uk: DIY & Tools
077721 Clip-On 125 Degree Concealed Hinge for -45 Degree Negative Face Angle – Full Overlay / Press-In - Alema Hardware