The Viking Loom Ltd Online Catalogue. LONDON GRAPHIC CENTRE - Graphic Supplies | Artists Supplies | Studio Equipment. Readymade curtains, curtain fabrics, laptray, laptrays, wools, seat pads, dylon. Yorkshires Largest Independent One Stop Craft Supplier - Craft and Hobby. Sew Essential - Sewing machines, dressmaking patterns, haberdashery, trimmings and dressmaking supplies.