The recent species of the VM2751 cameras are shaped slightly different, so I have adjusted the mount a little, and it should now fit most micro cams.
Its using mainly the middle ring of the lens body to rest in the mount, and a 2mm zip tie to hold the cam onto the mount.
The bottom of the mount is designed to grip into flexible glue. The description of the thingiverse thing contains further glueing instructions.
If anyone has purchased a kit from us and had problems with the mount, please email us at firstname.lastname@example.org and we will send you a new mount!
If you want to print your own, here is the thingiverse link: https://www.thingiverse.com/thing:2744106