Just a project box. No screws needed

I have an upcoming project that will need some boxes so I designed this one. It's 80mm x 80mm x 40mm outside diameter.

I uploaded it before I put any holes in it as I am sure it's more useful this way. The lid snaps on and requires no screws to assemble. It fits together very nicely (see warning below) and will need something thin and strong (like a knife blade) to open it.

WARNING: This was designed for use with Slic3r. Slic3r makes inner holes a bit small so if you slice it with another