I’ve never seen the details of how they work. You can see the rings on the ball where it scrapes the edges of the pen body and scrapes off the ink. Seeing the ink move from the ball to the paper is cool also.
I’ve never seen the details of how they work. You can see the rings on the ball where it scrapes the edges of the pen body and scrapes off the ink. Seeing the ink move from the ball to the paper is cool also.
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