Bolt Action Pen
This pen is actuated via a bolt action mechanism. It is simple and durable, and I used it to take notes for years. I also made a stainless steel version of this pen.
View Project →Aluminum Pens
Twist Pen
This pen is operated by twisting the front and back sections. It features a triple-start square thread as the drive mechanism.
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Twist Pen - Hidden Mechanism
This is an iteration of the first twist pen, where I hid all the mechanisms inside the pen body for a very clean look.
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Click Pen
This pen is operated by clicking the top down, like a normal pen. It is released by pushing in the button on the side.