This is an edited version from the first Mason Bee Hive design. The last one was pretty small and there were a few things that others thought would make it better. I talked with a few people who knew more than me, and came up with a few design changes. The holes are now circular, there are more holes, and the holes are a bit deeper. We also widened the holes to allow for a paper roll to go in.

I ended up having trouble with the size of the files when printing so I added a file of a single center tray and a file of both end trays. (Using all interior trays won't hurt anything except for my OCD)

Thanks for the feedback and let us know how this works for you.