Teardrop Screw Hole - Counter Sunk
Print Profile(1)
Description
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This model is for a screw hole with a teardrop shape, that is counter-sunk, meaning that the hole flares on one side so that the head of your screw can be flush with the surface of your part.
It isn't very useful by itself. But it is very helpful when integrated when used with your favorite modeling software to create other parts in preparation for 3D printing.
The problem: When printed vertically, screw holes have an overhang at the top that prints poorly. A teardrop shaped hole prints much better, because it doesn't have an overhang. However, a counter-sunk screw hole with a teardrop shape is much more complicated. This model is intended to make it easier.
How: download the stl file and use it with your 3d modeling software as a “hole” or as a void, to create a space where you want a screw hole. When you print your part, orient the point of the teardrop upward. This should allow the hole to print cleanly.
The print profile prints a small example model that shows the difference between a round screw hole (which flattens on top due to the overhang), and a teardrop shaped screw hole that prints cleanly.
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