Precision Adjustment Ear Saver
thingiverse
Having an exact fit will make all the difference in achieving a secure and comfortable seal, not too snug or too loose. It prints easily (no supports needed) and holds firmly at any desired length between 88 to 130mm. It prints in two parts that snap together perfectly. The two parts slide into place only on the edges, preventing hair from getting caught. **2020-04-10 Update:** I've added a longer version called es2LARGE.stl for mask straps that are less stretchy. **2020-04-13 Update:** I redesigned it with arms at a 10° angle. This might help keep the straps away from your ears. **2020-04-19 Update:** I added an angled version with two hooks on each end. Here's a video showing how to use it: https://www.youtube.com/watch?v=Pz3pbHuUYiw
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