Mini Pocket Pen

An original pen design that quickly transforms from comfortable pocket-sized to full-sized by removing the cap and stowing it on the rear of the pen.

Features

• Pocket-sized length of 97mm (3.81")
• Full-sized writing length of 146mm (5.75")
• Cap firmly snaps closed onto both ends of the pen.
• Accepts common ink refills from multiple brands. Just insert and cut to length!
• Basic customization with 2 different print profiles: 
  • Single color (no AMS)
  • Dual color with double ring (AMS required)

• Optional cap for use with a key-ring

   

Printing Tips

• Always clean your build plate with water and mild soap.
• No Supports - All parts are designed to print without supports.
• Brim - A brim is required for the body of the pen.
• Recommended Material - PLA Basic and PLA Matte filaments

Assembly

Non-Affiliate Links

• Ballpoint pen refills [https://a.co/d/7Q3lAtH](https://a.co/d/7Q3lAtH)
• S-7S oil-based ballpoint ink refills [https://tokyopenshop.com/products/limex-refill-s-7s?_pos=1&_sid=9acbe3fd3&_ss=r](https://tokyopenshop.com/products/limex-refill-s-7s?_pos=1&_sid=9acbe3fd3&_ss=r)

• S-7S oil-based ballpoint ink refills [https://a.co/d/hBBrw1F](https://a.co/d/hBBrw1F)

   

Revision History

2025-4-06     v1.0  Released.

2025-7-23     v1.1  Added model and print profile for an optional key-ring cap.