Rectangular hanging planter

Most hanging planters are round, which means that they need to be hung from a hook some distance away from the nearest wall.  This puts limits on where you can install hangers!  A common approach is to use those little bracket arms that bolt to the wall and stand out about 6 inches or so.  They're not complicated, but you can't exactly cover your wall with those.  

I wanted a pot that could be hung like a picture frame - one nail in the wall, and you can just hang it.  This pot has an attached drainage tray (addressing another shortfall of some hanging planters).  You provide the string - you can run one piece of string through all 4 holes and tie it off underneath.  See photos for examples.  Holes are 4mm in diameter.

I've provided STLs at 3 sizes.  I've only test printed the larger two sizes.  Dimensions in the filenames are width x depth x height.  The cover photo with the philodendron vine is the 200x100x80mm size.

A note on licensing: I do this for fun, and share them for public joy.  Don't sell prints of this (see “noncommercial” clause).  Give prints away for free if you want, but this should live outside of the grind of capitalism.  It's not that complicated of an idea, and I don't own the concept, so if you want to sell something like this, you're more than welcome to model your own!