I had a particular use case. The doorbell was on the hinge side of the outer glass door and the frame was only 23mm wide. None of the other mounts would work so I decided to try to design my own. 

The mount needed to also lean away from the door otherwise the door hits the doorbell when it's opened. 

Requires M3 heat inserts for the doorbell base and uses the wood screws included with the doorbell to secure the mount to the doorframe. 

The final installed vers

Material: PETG
Process: 3D Printed (FDM)

• High quality PETG print
• Made to order
• Carefully inspected before shipping

What's included: One (1) Eufy E340 Video Doorbell Mount as pictured.

Approx. size: 0 x 0 x 0 mm · Est. weight: ~0 g PETG · Filament: ~0.0 m

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Design credit: "Eufy E340 Video Doorbell Mount" by Pabla, shared on Printables under the Creative Commons Attribution 4.0 (CC-BY 4.0) license. Printed as designed; no modifications to the original.