Check out this convenient inside angle protractor, designed for simplicity and accuracy!

This handy tool is perfect for measuring wall corners, making it a great companion for your customizable shower shelf project. With the ability to easily print without support structures, you can get this model up and running in no time!

No AMS (Automatic Material System) is required—just switch the filament manually at 1.6 mm height (layer 8 when printing with 0.2 mm layers), or use a permanent marker to color the embossed numbers and lines for better visibility. Prefer a minimalist look? You can use it as is, with subtle markings that still get the job done!

This protractor measures inner angles ranging from 70 to 110 degrees with an accuracy of about 1/4th of a degree, ensuring precision for your projects. Say goodbye to guesswork and hello to accurately measured corner angles!

Note: This tool is designed to measure the wall corner angle for the customizer of my shower-corner shelf model:

[https://makerworld.com/en/models/674212#profileId-602231](https://makerworld.com/en/models/674212#profileId-602231)

PS: I added an AMS-prepared .3mf version and two *.stl files, which shall be imported together and will result in full object with already separated materials for color printing. You just need to re-assign the filaments of your choice. Those only work, if you either have an AMS or configured your machine G-Code for manual filament change correctly. If you have neither it will just print everything with one filament without pausing! You can however add a manual PAUSE at layer 8, this way the slicer will create prime tower which is then used after the filament switch… and will result in much cleaner results.  

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