Bic Pen fix (end filler)

thingiverse

When you run out of ink in your favorite pen, frustration often takes hold, leaving behind a useless piece of hardware that can no longer serve its purpose. A partial pen like this is annoying to work with and hinders the smooth flow of your creative process, making it essential to find a solution to extend its usability as long as possible. One such fix is readily available to you - all it takes is a tiny bit of creativity!