Tipping sand timer

SummaryThis model is a remix from MakerPaul:https://www.prusaprinters.org/prints/87021-tipping-egg-sand-timer-30-secondsIt is a printed sand-timer that fall when the time has passed and can be reset even before the whole time has passed.In comparison with the initial file this model is fully 3D printed and it includes a M3 screw to fine tune the size of the opening. It is also smaller than the initial model.It should be printed straight and without support. If you have difficulties with the over