I am not quite sure this is the place for 3D printer modifications, but as this seems to work it might as well go here so folk have a chance of finding it by web search. This is because the spool ...

3D printing pens may be toys to some, but they can be genuinely useful tools to repair 3D prints, rescue a support structure, or weld together different pieces. However, [BManx2000] found that the way ...