Material & Diamter Accuracy: Normal PLA 1.75mm. 1 Material & Diamter Accuracy Normal PLA 1.75mm. To Protect Your Fingers During 3D Drawing or 3D Printing, It’s Great Start Tool for 3D Pen Drawing. Strong Compatibility: Universal Compatible with Various 3D Pens/3D Printers on market, While Not Fit for 3.0mm 3Ddooler Pen.
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