**Dezeen Showroom:** the warmth of hand-drawn markings and calmness of natural patterns combine in the Amble indoor-outdoor upholstery fabric by US brand Designtex. With a design resembling fossils or seashells, Amble features densely drawn lines that coalesce into soft shapes, evoking the kinds of patterns found in nature. The Amble fabric features a gentle hand-drawn pattern The upholstery fabric is available in a selection of 13 colours inspired by land, sea and sky, and it is intended to bring a sense of tranquility and crafted cosiness into whatever space it's used. "Amble reflects the restorative quality of nature through gentle geometry and thoughtful rhythm," said Designtext principal designer Eve Singer. It is available in 13 colours "Its soft structure and balanced tones encourage slowing down, creating spaces that feel grounded, breathable and at ease." Amble is crafted from a blend of solution-dyed acrylic and polyester Sunbrella yarns, making it suitable for use both indoors and out.…