X_carriage_E3D_mount_V3

Thanks to https://www.thingiverse.com/thing:1824307 I printed this thing and was not able to secure the drive belt 'cleanly' so I remixed and added 'grips for the drive belt'

Not printed this version yet but I did the original.
I will post a make as soon as I have done it and it works, but the serated clips are the wrong way round. So V3 has been amended