Click here to download these gradients. 
Follow the directions in the html file included in the zip to import them to your gradient palette. 

To import these gradients,

1. Open the ufo in Pi. Click on one of the objects in the file.
2. Change to the path tool, and click the color box in the attribute tool bar,
3. Click on gradient fill.
4. Click the edit button, and in that box, click add
5. the new gradient will be added to your available gradients, allowing you to use it for presets, etc.
6.  Repeat for each of the gradients.

If you wish to add this gradient to your gradient fills, do this:
1. Go to the fill gallery of the easy palette.
2. Right click on a thumbnail in the gradient section.
3. Click on modify properties and apply.
4. Click the edit button, and choose the new gradient.
5. Pick a mode from the mode thumbnails.
6. Click the add button in this box.
7. A new thumbnail will be added to your gradient fills.

How to share your gradients

1. Change to the path tool, and choose any shape.
2. Click on the color box, and then gradient fill.
3. Click the gradient display box, and then edit.
4. Choose the gradient you wish to share to fill the path. click ok, and ok.
5. Save the path object as a ufo.