GJH
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The GJH is a single sided writable mod made by PDS spinner Mr.LSC. Its name is an acronym of the 3 parts used.
Construction
Parts needed
List from the FPSB V2[1]:
Additional Items
- Tape
- An insert
- Glue
Text tutorial
Preparation
- Remove the G3 grip without cutting it.
- File down the bump at the front of the G3 barrel.
- Cut off the threaded front section, including the bump.
Assembly
Front side
- Insert the Jedo pencil mechanism through the rear of the prepared G3 barrel.
- Screw the Jedo tip onto its mechanism from the front. Glue the tip to the front of the G3 barrel, keeping the moving mechanism free of glue.

Jedo tip assembly. - Fit the HGG tip over the Jedo tip and add the HGG grip. Glue the HGG tip to the Jedo tip if needed.
Cap side
- Insert the G3 tip and G3 grip into the G3 cap, in that order.
- Wrap tape around the rear of the G3 barrel and attach the cap.