I was considering ordering a 3D-printing pen to use as a small PLA ... The feed mechanism for the glue gun has a small levered arm that bites into a glue stick and pushes it forward when the ...

I love this glue pen. It was given to me by my Mum two years ... so until the last glue stick has been almost completely used up, the new one just rests in the body waiting. There is no need ...