Hoppip planter modeled in Rhino3D
You may want to use the "Lay Flat" feature in Cura (or whatever is the equivalent in your slicer) to get 3 of the 4 feet on the ground/bed. Supports are needed (or I guess you could split it into 2 pieces).
The second file includes drainage holes (or drill them after printing when you remember they're necessary ;)).
Sanded with 150 grit sandpaper, sprayed with filler primer, and finished with terra cotta effect spray paint. Excessive number of photos here: http://imgur.com/a/EobE9