Iris quadcopter long legs (Picatinny rail)

Long legs designed for mounting on a Picatinny rail as used on the 3DR Iris quadcopter. Two files are provided: a mount and a long leg. These are separate to allow each object to be printed in the best orientation for strength.
For the Iris, these legs should give about 150mm clearance under the body (plenty for a Tarot or similar gimbal)
Sketchup file is included in the downloads so feel free to remix. In particular the mount can be easily adopted to attach other items to the Picatinny r