The 3Doodler is a could best be described as a "Freehand 3D Printer." Using standard 3D printer filament, it allows you to "draw" in space. Great for adding finishing touches on your 3D print, or sketching 3D structures.
Best Buy: 3Doodler Start Super Mega 3D Pen Set 3DS-MEGA-E-R
3D Printing Pen, The World's First and Best 3D Pen
3Doodler Create+ Learning Pack - 6 pens – Ready2STEM
3d printing pen 3doodler
Resources - 3Doodler
3Doodler EDU Create+ Learning Pack (6 Pens)
3Doodler Ireland
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Our 3D Pen Product Library, 3Doodler
3Doodler EDU Create+ Learning Pack 6 Pens (8CPSHAUSED)
3Doodler EDU Start Learning Pack, Full Set (2019
3D Pen - 3Doodler Create Plus - Marine Blue
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3Doodler Edu Start Learning Pack (12 pens)
3D Pen Filament Refills, The 3Doodler Filament Finder