Unraveled Designs and Yarn Unraveled Designs Patterns - Modicum Hat - PDF Download is a similar pattern: 20 (5 sts. / inch) finished gauge, for unisex, and dk (21-24 sts/4 in) yarn gauge. You may also like Kelbourne Woolens The Acadia Collection Patterns - Jordan Pond, which is another similar pattern: 20 (5 sts. / inch) finished gauge, scarf garment, and for unisex.
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!