Camera  Raspberry Pi3 B support for Duplicator D9300
Free     Myminifactory     ocni

Camera & Raspberry Pi3 B+ support for Duplicator D9_300

Two types raspbery pi 3 B camera board arm support for Duplicator D9300 ...

similar models —

Camera & Raspberry Pi3 B+ support for Duplicator D9_300 alternatives
Support for stand
Albatros222
camera holder
vladik