Metal detector arm cuff

Hi all my arm cuff snapped on my Garrett detector so decided to make one with sketchup, heres my created cuff which im currently printing now, I will add the holes via a drill later and thought id upload without the holes as many detectors hole placements vary.

UPDATE
I have removed the skp and added a new one with the amended back cuff support, but will now remove the stl and amend that to

UPDATE
**(I SCALED DOWN IN REPG TO ABOUT 0.75) **
All done please upload some pics of your b