IVAPE E-Juice Bottle Display/Holder

I created this for my local vape shop I frequent. They have all these tester bottles in a corner and I thought it would be great to organize them. IVAPE is name of the shop, but this can double as a statement "I vape".

The holes are measured to 45mm, since most testers are 35-40mm in diameter.

This is the first serious design I did with 123D from AutoDesk. I am probably gonna redesign with an additional level and possible smaller holes for the first level to accommodate smaller 15ml bottle