> For the complete documentation index, see [llms.txt](https://tempdocs.zerog.one/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tempdocs.zerog.one/projects/nebula/build-instructions/phase-2/building-the-vertical-frame.md).

# Building the vertical frame

Place two M5 T-Nuts in the Extrusion marked G (2040).

<figure><img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2F0iYSm78Z6WJHFYZLgB1b%2FNebula_uprights_tnuts_G.png?alt=media&amp;token=f47399d2-434a-4128-ae97-586b6affc595" alt=""><figcaption></figcaption></figure>

Add two M5x6 Screws to the T-Nuts you've just added on the G extrusion

<figure><img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2FnQruRoHf6Ed5CR1q7Eiq%2Fnebula_uprights_tnuts_screws_g.png?alt=media&amp;token=c74b1b2d-5a39-4676-91e2-4093a1a6f197" alt=""><figcaption></figcaption></figure>

Take the G extrusion (2040) and align the screws with the hole spacing on the A extrusion. This step is crucial to ensure access to the screws from the blind joint on extrusion A.

<img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2FsFzSnoChFkvw1EnpYEC5%2Ffile.excalidraw.svg?alt=media&amp;token=95b10395-1662-4910-b919-8b895c6349d4" alt="" class="gitbook-drawing">

Align the A extrusion with the G extrusion and slide it into place, ensuring the bolt heads fit into the extrusion slot.

<img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2FhztdfVc6ew0TLaPYfj2P%2Ffile.excalidraw.svg?alt=media&amp;token=3c287330-488e-4686-9353-3aac52ca6c4c" alt="" class="gitbook-drawing">

Slide the extrusion completely into the final bolt.

<figure><img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2FOQWELGdbbNIU9h3tmmcU%2Fnebula_uprights_screws_slide_2_g.png?alt=media&amp;token=a18e28b2-eb3b-4898-8be4-d171ef94c839" alt=""><figcaption></figcaption></figure>

Make sure the bottom surfaces are flush.

<figure><img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2F2Qs2tp1TEfsUiXxf40UO%2Fnebula_uprights_screws_slide_flush_g.png?alt=media&amp;token=7f93b9b5-241b-4f1d-a47c-5fb659f54098" alt=""><figcaption></figcaption></figure>

Tighten the two M5x6 screws on the blind joints

{% hint style="info" %}
If you're experiencing difficulties with screws moving when sliding the extrusion, ensure they're not overly tightened and are of equal length. You can use a hex key through the drilled hole to help slide the extrusion into place, then remove the key to align the other hole.
{% endhint %}

<img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2F74ZOqnzS2stshCqAUoKC%2Ffile.excalidraw.svg?alt=media&amp;token=7321c51a-c8e7-40d9-997f-40a1cccc2e8c" alt="" class="gitbook-drawing">

Now add a M5 T-Nut and M5x3 screw to A extrusion, this should be inserted on the side that has the G extrusion attached.

{% hint style="info" %}
These Screw/T-Nut set will later secure the Y extrusion in the build.
{% endhint %}

Now repeat these steps another 3 times until you have 4 vertical frame assemblies.

<img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2FTjCXJjUYu1EHNDgnVL1b%2Ffile.excalidraw.svg?alt=media&amp;token=e793995c-dec0-4343-a2a3-97e2a06d04ee" alt="" class="gitbook-drawing">

Ensure you now have 4, and proceed to the next step.

<img src="https://834763357-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXgzDoYdwl0Vuu3qB4KOp%2Fuploads%2FTfzqATxTinEAbsUkCXlR%2Ffile.excalidraw.svg?alt=media&amp;token=7464848a-ee36-4be7-bc63-b20da98119d4" alt="" class="gitbook-drawing">


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