Blender Parametric Pen Holder

# Blender Parametric Pen Holder

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## **Intro**

This is a parametric pen holder created with **Blender Geometry Nodes** (Blender 3.61).
You can adjust its **diameter**, **height**,**(n-gon) edges**, **(vertical) rings**, **wall/bottom thickness**, **(spiral) rotation degree** and **inner (wall) resolution** by changing parameters in geometry nodes modifier.

## **Notes**

1. Try **Not** to change rotation degree since it may break the entire shape
2. If you set edge to 4 and reduce wall thickness, you get a weird looking shape (see screenshots) which **can be** printed without support

## **For non-Blender users**

1. Download and install [Blender (free & open source 3D modeling software)](https://www.blender.org/)
2. Open `.blend` file
3. Adjust parameters (see screenshots)
4. Select the generated object (left or right click on object until you see a orange outline around it) and choose **File->Export->Stl**, check **Selection Only**, **Scene Unit** and **Appl