Insulin Pen Travel Case

updated version with a hinge here:

https://makerworld.com/en/models/1123678#profileId-1122617

I got tired of my pen and needles flopping around in a toiletry bag so I decided to make a case.  This is what I came up with.  It has room for a pen, and up to 10 needle tips in as small a package as possible.  There are cut outs to make opening the case easier.