2 pod Nespresso capsule refilling station

Hi, this is my first attempt at designing something to print. Fed up with paying out for original Nespresso capsules, I started looking into refillable ones. When I searched for filling stations on eBay/Amazon, the prices are way to high for what you get, so I designed this on Freecad (before I found Fusion 360!)

Unfortunately, as I'm only starting out, I can't help with print settings etc. as I printed it on my Flashforge Finder with the easy print screen.

There are four little holes