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 ...

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 ...