# Grasshopper - Download data

{% embed url="<https://youtu.be/6VPdpK4AEo4>" %}

### 1. Connect to a Finch variant

* Create a button and panels with the desired project and variant name.
* Drop a **`Finch`** component onto the canvas and connect the panels and button into their respective inputs.

<figure><img src="https://content.gitbook.com/content/fr7wU7S4fvKhCNJqX17T/blobs/fAa4inJ953RYUEWQzuYJ/gh%20connect.gif" alt=""><figcaption></figcaption></figure>

### 2. Load your Finch Data

* Drop the **`building`** component onto the canvas and connect the **`Finch Data`** output to the respective input.

<figure><img src="https://content.gitbook.com/content/fr7wU7S4fvKhCNJqX17T/blobs/o58qOF3PwdjIGmQR84NY/gh%20building%20mass.gif" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
Check out the **Hierarchy** tab to find all of the components for downloading different types of Finch data, such as the floor plate layout (**`units`**) or the apartment unit plans (**`spaces`**).
{% endhint %}

<figure><img src="https://content.gitbook.com/content/fr7wU7S4fvKhCNJqX17T/blobs/GQ8tJnwyDk2vqfZkMlYC/gh%20story.gif" alt=""><figcaption></figcaption></figure>

### 3. Work further with the data in Grasshopper&#x20;

{% hint style="success" %}
The following gifs show an example of how you can use the Finch data to create detailed models in Grasshopper.
{% endhint %}

<figure><img src="https://content.gitbook.com/content/fr7wU7S4fvKhCNJqX17T/blobs/aGLvKM3Lpziq5Ywcbe21/gh%20extrude.gif" alt=""><figcaption><p>Extrude the surfaces according to the story height in Finch</p></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/fr7wU7S4fvKhCNJqX17T/blobs/thHwLLn3rCcxdPlYFT8o/gh%20custom%20preview.gif" alt=""><figcaption><p>Input the colors used in Finch into your custom preview</p></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/fr7wU7S4fvKhCNJqX17T/blobs/rfZQ2d4r1uvhXR99erS1/gh%20subtract%20slabs.gif" alt=""><figcaption><p>Subtract the slab thickness (500mm) from the story height.</p></figcaption></figure>

### 4. Switch between NIA and GFA&#x20;

* Right click on the component to switch between NIA (wall area subtracted) or GFA (wall area included).

<figure><img src="https://content.gitbook.com/content/fr7wU7S4fvKhCNJqX17T/blobs/gARzxuJiMgP6oBZC7EHH/gh%20net%20vs%20gross.gif" alt=""><figcaption></figcaption></figure>