Climbing Hold - Flat Sloper

First attempt at designing any 3D printed object. Simple design for a climbing hold - the flat sloper. Approximately 8" x 5" x 2.75". Will be tested when my printer gets here. If someone beats me to it, I recommend using a washer to attach the bolt.

08/14/2016: Original file was pulling up incorrectly in Cura by registering the millimeters as the number of inches making for a very tiny model. Fixed this. Still too large for my printbed, (202.52 x 70.31 x 127.9 mm), so I'm looking into