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Rotring Pilot G2 800+ Ratio — image 1
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Rotring Pilot G2 800+ Ratio

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Rotring style body for Pilot G2 refills. Rotating extend & retract mechanism. Replacement body for my chewed up G2 pens.

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Model information

Category
Office
License
Creative Commons — Attribution

I love Pilot G2 pens, but I also love Rotring mechanical pencils and industrial design. Since I chew my pens (I know gross) I needed a replacement body/holder for my unfinished G2 cartridges/refills. Thus this pen was born; merging Rotring design and twist extend/retract mechanism with my favorite ink! Styled like a Rotring 800+ scaled to the width of a vintage Rotring 600 Fountain Pen.

Hardware Required:

  • 1X M2 x 20 Bolt
  • 1X M2 Heat-press Insert
  • 2X M2 Nut
  • Pilot G2 Spring & Cartridge

Print Settings:

  • 0.05-0.07 Layer Height
  • >20% infill
  • 3+ shells

Assembly Instructions:

  1. Press heat insert threads into the knob from the underside (opposite of the thin cylindrical protrusion)
  2. Press M2 nut into hexagonal section of the plunger
  3. Thread M2 bolt from the opposite end of the plunger until tight
  4. Lock the M2 nut in place with a second M2 nut
  5. Thread plunger assembly into knob from the underside (same side as the heat insert was pressed into
  6. Press knob & plunger subassembly onto the body (opposite side of the threads/snap fit)
  7. Toss G2 spring and body into the grip
  8. Thread grip subassembly onto the body subassembly
  9. Twist the knob counter clockwise to extend the point, clockwise to retract! (next iteration make this less annoying to do, too many turns!)
  10. ENJOY!

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