R2 D2

I was looking for a simple R2 D2 model that I could just slice and print, and was disappointed I was unable to find one. I remixed this from the closest model I could find (see the "Remixed from" section), with the following changes:

* Stronger connections to the feet, which were otherwise prone to breaking when removing from the print bed.
* Connect the legs to the body as a single piece, where before there was a gap. This part isn't 100% movie accurate, but will make for better prints.
* Fill in the body. The model was hollow before, but I've found slicers do better when you just give them a solid piece work from.
* Add some of the detail missing from the front of body.
* Scaled the model up to 150mm as the default size, so more detail is visible by default.

No, you can't pose the print: the legs don't pivot and you can't remove/retract the center foot. You're also limited to a size that fits on your printer bed. But you can load this model straight into your slicer, and g