DNX GRIP EVO GPD-XD

Updated version of the MGRIP Dock for GPD-XD

For the button mechanism, print the file FULLSET of this:
https://www.thingiverse.com/thing:2892045

New features:
- Button System for L2 and R2
- Attach hook for installing a Clip accesory, for attaching some accesory under the device (HUB USB, etc)

The L2 and R2 system originally was designed for displacement of these buttons on the device. Now, using a natural position of the hand, you can use these buttons with the mid finger, and free