> For the complete documentation index, see [llms.txt](https://docs.projectnorthstar.org/project-north-star/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.projectnorthstar.org/project-north-star/mechanical/release-3/headset-assembly.md).

# Release 3 Assembly Guide

This guide is also available as a PDF:

{% file src="/files/-Ln1BU2lEIv1t4idlevM" %}

A video guide from [Tasuku Takahashi](https://twitter.com/supertask_jp) is available below, it's best to supplement the written documentation with this video. If you run into problems or have questions, feel free to reach out on the [discord](https://discord.gg/9TtZhb4).

{% embed url="<https://www.youtube.com/watch?v=J-OowCNcR8A>" %}

{% hint style="info" %}
Item No 6 (**#230-004**) of the Left Brake Assembly was removed and thus no longer packaged due to undesired cable catching. The new method of managing cables is by attaching a zip tie to the end cap.
{% endhint %}

## 000-000

![North Star Release 3](/files/-Lm5YCFyBXCVdoNXgAcZ)

## 100-000

![Optics Assembly](/files/-Lm5YCEg1DzQ6i53tOdZ)

## 110-000

![Hinged Optics Bracket Assembly](/files/-Lm5YCEtbRQglIjtUHPa)

## 130-000

![Simplified Optics Module Assembly](/files/-Lm5YCF1CoMN0YYEsBM7)

## 111-000

![Left Display Assembly](/files/-Lm5YCF8cJZzhoyQXCDs)

## 113-000

![Left Rotation Slide Mount Assembly](/files/-Lm5YCFF7QeXa8pfO6NT)

## 120-000

![Halo Electronics Module Assembly](/files/-Lm5YCFL2NdS90lTQjOr)

## 121-000

![Electronics Bay Assembly](/files/-Lm5YCFUgo8-al_RbWBM)

## 131-000

![Simplified Electronics Bay Assembly](/files/-Lm5YCFaAPdSQs98hTTn)

## 200-000

![Headgear Assembly](/files/-Lm5YCFgTKl8i0SdxEA7)

## 210-000

![Padded Forehead Assembly](/files/-Lm5YCFl1DpZJDpY8tpJ)

## 230-000

![Left Brake Assembly](/files/-Lm5YCFovhnKCDJr-pst)

{% hint style="warning" %}
Item No 6 (#230-004) of the Left Brake Assembly was removed and thus no longer packaged due to undesired cable catching. The new method of managing cables is by attaching a zip tie to the end cap.
{% endhint %}

## 900-005

![3x10x165mm 6061 Aluminium Bar Slide](/files/-Lm5YCFrSKMpdOrYxyLo)

![](/files/-Lm5YCFvDqyUAxCX0SX3)