Protractor
thingiverse
This is a precision protractor featuring degree markings, designed for accurate measurement without the need for distance scales. I also created a square model that can be scaled safely in accordance with your requirements. Visit Thingiverse to view the full design at http://www.thingiverse.com/thing:1753198. Here are the print settings used: Printer: Flux 3d delta Rafts: Not required Supports: Not needed Resolution: 0.2mm for crisp details Infill: 20% for a balance of strength and weight Notes: Print this model flat to achieve optimal results.
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