Part 1
1. Make new document 50X50 Pixels
2. Using polygon lasso tool make selection the same as image below.
 

3. Make Full Black color
Edit > Define Pattern

Part 2
1. New Document
2. Edit > Fill
 

3. Result:
 

4. Filter > Distort > Polar Coordinates: Rectangular to Polar.
 
 

5. Filter > Blur > Radial Blur with amount 100 (Zoom).
6. Press Ctrl+F and see results

7. Filter > Artistic > Plastic Wrap
 
 

8. Image > Adjustments > Hue/Saturation
 
 

Good Luck