It is a shooter for the pens on the photo.
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updated December 1, 2023

Description

PDF

You will need a spring with 0.8 mm wire diameter, 8mm diameter, and 40mm length.

If you know Chinese go https://www.bilibili.com/video/BV1TG411q7dd/ to watch a video about this shooter.

Model origin

The author marked this model as their own original creation.

License