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This script generates a teardrop shape at the appropriate angle to prevent overhangs greater than 45 degrees. The image shows a 45-degree rotation (no teardrop), a 60-degree rotation (shallow teardrop), and a 90-degree rotation (full 45-degree teardrop). This allows you to make holes at any angle that are as round as possible.
I actually came up with two solutions to this problem, because a bug was making my first solution take FOREVER to calculate. The second solution is still in the file, but has been commented-out.
The angle is in degrees, and is a rotation around the Y axis. You can then rotate around Z to point it in any direction. Rotation around Y or Z will cause the angle to be wrong. The module is intended to be used inside a difference statement.
Parametric teardrop script by whosawhatsis is licensed under the GNU - LGPL license.
So what's this mean?
We're sure whosawhatsis would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!