1. Go to BlockLab.
2. Click on the layout you want to edit.
3. Click on the Options tab.
4. Click in the Choose Product field and start typing the name of the product that you want to base this layout around. Your product should show in the dropdown list below where you are typing. Select your product and click on Set Product.
5. The page will reload with the product you chose set. You are now ready to start BlockLabbing.