GUNDAM ガンダム PRINCIPALITY OF ZEON BOX CONTAINER

I'm total noob in designing stuff and this is my first and very so damn very proud sketch created in Autodesk Fusion 360 (helped by Gimp and Inkscape for image vectorizing),
I need a box container for cardboards pieces I use to put painted stuff on.
And Yes Probably there's a better way to say it in English.