SG Timer Go w/quick disconnect arm

M3 Hex socket 16mm, 3 spacers needed from design remixed from. Print w/ normal supports and the arm on plate best print, if printed vertical it snaps easily.  Printed with PLA+.  Modification allows the timer to be removed quickly.  Modification was done from the Shooters Global SG Go Belt Clip by 9001__.  I deleted the arms for the belt and added the M3 counter sunk holes. If you look at the picture of 9001__'s design that is the orientation I printed in with success. If printed 180 degrees it's fine but the counter sink in the holes gets printed badly.  I added a 4mm thick version as my original is 3.8mm the 4mm gives a better shoulder with the countersink hole but both work, I've switched to the 4mm for my use.  I also made a 12 mm thick spacer for ease of install and clearance of arm to operate QD.  I also print top surface, bottom surface, and internal solid infill as Hilbert Curve and the sparce infill as Cubic  20%. Had to do some cleanup of the back of the quick disconnect bracket scraped with a razor blade then sanded to remove the support material makes for smoother removal of timer.