Amy Herzog Designs Patterns - Alta is a similar pattern: adult pullover garment, for women, dk (21-24 sts/4 in) yarn gauge, and dk weight suggested yarn. You may also like Rock + Purl Patterns - Moore, which is another similar pattern: 20 (5 sts. / inch) finished gauge, for women, dk (21-24 sts/4 in) yarn gauge, and dk weight suggested yarn.
You may enjoy taking a look at the Misti Alpaca Chunky Solids Cap Sleeve Cardigan Vest, and Knitting Pure and Simple #212 Turtleneck Shell kits all using Knitting Pure and Simple Summer Sweater Patterns.
Hopefully our suggested yarn options for 997 - Basic Shell can help you come up with your next exciting new project idea!