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The hole on the spring came out on my print much smaller than the pins. Over 1 mm in dia smaller. And the arms of the spring, once bent to fit inside the body, were so tight that the trigger couldn’t move. Unfortunatelly I modified the printed spring and glued it all together, so I cannot show you the issue. Also, if I may suggest, when having two halves like this, have something to key them in as it was difficult to align them. Just my 2 cents! Thanks for sharing the design!!