Should you find that you have filament caught in your MYNT3D professional printing pen, this video will help to clear a clog.
How to Remove Broken Filament stuck in a Bowden Tube? - NoClogger The Must-Have 3D Printing Tool
3D Pen Super - MYNT3D
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3D Printing Pen Canoes and Fishing Net Projects on Vimeo
Need help getting stuck filiment out of 3D pen : r/3Dprinting
Repair, fix, clean, disassemble clogged 3D pen. Myriwell - Scribbler