In addition to the below, see also our complete line of WonderFil Specialty Threads, ranging from 100wt to 3wt in cotton, rayon, polyester, and metallic. Artistic Artifacts in Alexandria, VA is the location of a WonderFil™ Thread Boutique. Painter’s Threads (formerly known as Tentakulum ) also include embroidery floss and other specialty hand-stitching fibers.