The Great British Sewing Bee 9x4 - Episode 4

Taking on the fast fashion industry, the second most pollutingindustry in the world, Sara Pascoe welcomes back Reduce ReuseRecycle week. First, the sewers attempt a zero-waste patternfor a pair of trousers, which involves complex mathematicalskills to work out how to create the pattern pieces withoutleaving a scrap of waste fabric.In the TransformationChallenge, the sewers use up a mountain of waste tote bags tocreate a garment. They can combine several bags to transformthem in just 90 minutes, making imaginative use of thedifferent prints and straps.Finally, the sewers have beenasked to source second-hand crochet blankets to create amade-to-measure outfit. They need to ensure that while choppingup their blankets, they don't unravel before they are sewninto outfits.