This is a replacement trigger for a Poulan String trimmer. It should replace part 545008077. I am not attempting to model every feature exactly, but rather make a part that is functionally complete.

Creality

Ender-3 S1 Pro

Doesn't Matter

Yes

0.1

50

This will need support in any orientation. I printed it on its side, with the larger round cut-out facing up. Most of the support was fairly easy to remove.

Fusion 360