I made the barrels for this pen by sanding six small blocks of complementary color acrylic resin off at angles. The segments were then permanently bonded together to create the raw rectangular prisms or blanks to become pens. The blanks were turned on a lathe using traditional methods and very sharp tools. Once turned to cylinders, the elliptical profile of each piece created by sanding off at angles is revealed. 

• Refill is very common "Parker style" also known as the G2. This should not be confused with a Pilot G2.
• Some quality refill brands include Parker of course, Schmidt, Schneider, Pelikan, Visconti, and Monteverde.
• To change the refill:

1. unscrew cap half of pen at joint with grip half of pen to expose the refill 
2. remove old refill and spring
3. place spring on new refill before placing the new refill with spring back into grip half of pen
4. screw cap half of pen over new refill