Swans Island Patterns - Timberline Hat is a similar pattern: hats and more garment, for women, and worsted (19-20 sts/4 in) yarn gauge. You may also like Manos Del Uruguay Patterns - Ferrico, which is another similar pattern: 15 (3.75 sts. / inch) finished gauge, hats and more garment, and for women.
You may enjoy taking a look at the Artyarns Big Merino Cloud Sprouting Leaves Cowl, Madelinetosh Prairie Short Skeins Spring Leaves Lace Shawl, The Fibre Company Terra Staggered Ladders Scarf, and Madelinetosh Tosh Merino Light Octopus's Garden Shawl kits all using Grace Akhrem Patterns.
Hopefully our suggested yarn options for Walt's Tangled Cables can help you come up with your next exciting new project idea!