It might sound cool to 3D print your own bicycle helmet. But safety gear like helmets must meet strict safety standards and undergo rigorous testing to ensure they can protect you in an accident.

A glue gun that dispenses molten PLA instead of hot glue turned out to be a handy tool for joining 3D-printed objects together ... looking at two dissimilar things while in the right mindset ...

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 ...