Grabber - Large Size

### Overview

This grabber comes from
[The Parametric Grabber](http://www.thingiverse.com/thing:107675).

I found the hand as it was designed was too small so set about making it bigger.

I increased it by 133% which allowed me to use a 21.5mm PVC pipe as the "arm" / tube.
The pipe is common in most countries:
UK, Australia, USA (1/2" SCH-40)

This grabber has a new "toy" trigger handle as the original was too had for the kids, so I set about (18 months later) to make a simpler trigg