Kelbourne Woolens Effortless Collection Patterns - Clearview Cowl is a similar pattern: scarf garment, for unisex, and dk (21-24 sts/4 in) yarn gauge. You may also like Plymouth Women's Accessory Patterns - 2738 Cowls, which is another similar pattern: 20 (5 sts. / inch) finished gauge, scarf garment, and dk (21-24 sts/4 in) yarn gauge.
You may enjoy taking a look at the Shibui Baby Alpaca DK Rectangle, and Shibui Knits Staccato & Silk Cloud Parabola kits all using Shibui Knits Shibui Geometry Patterns.
Hopefully our suggested yarn options for Trapezoid can help you come up with your next exciting new project idea!