Create a Gradient Ribbon Effect in Illustrator - Use Lines & Blends for Abstract Shapes

Step 1: Open new illustrator document.

Step 2: Select Pencil Tool From Tool bar.

Step 3: Select Pencil Tool From Tool bar.

Step 4: Select Fill as none From Color bar.

Step 5: Select Stroke size as 0.1.

Step 6: Draw a line over other line how many lines you want.

Step 7: Select all  the lines from stage.

Step 8: Draw a line over other line how many lines you want.

Step 9: Go to Object →Blend→Blend options→Specified steps→200→ok

Step 10: Go to Object →Blend→Make.

Step 11: Change Stroke color as gradient get above result.

Step 12: Select stage color as white.