Simple Macro Lens Holder

This Thing can turn your mobile deviece with camera into a microscope.

The diameter of the sample Thing's lens is 7mm, you can use Customizer to make one to fit your lens.

You may have to use two rubber bands for iPad or other larger devices.

Have fun ! ^_^

Assembly videoes:
https://www.youtube.com/watch?v=LsvGSqpdlBo

https://www.youtube.com/watch?v=eDSX9yHgBpk

Update :
* 2016-05-22 v.2.1 Customizer add keychain ring (Thanks for genie1125's idea. )
* 2016-05-21 v.2 Customizer add more parameters. If you are using two lenses, change the value of "LENS TOTAL" to "2" .