Shop › Fiber Process Posters - 8.5 x 11 Image 1 of 1 Fiber Process Posters - 8.5 x 11 $8.00 How is yarn made? This poster tells you all. Color print, illustrated by our pal Steve Bakker. Quantity: Add To Cart Added! How is yarn made? This poster tells you all. Color print, illustrated by our pal Steve Bakker.