Knitbot Patterns - Sycamore Vest is a similar pattern: 24 (6 sts. / inch) finished gauge, adult tanks and vests garment, and dk (21-24 sts/4 in) yarn gauge. You may also like Knitting Pure and Simple Men's Sweater Patterns - 215 - Basic Vest for Men, which is another similar pattern: adult tanks and vests garment, for men, and dk (21-24 sts/4 in) yarn gauge.
You may enjoy taking a look at the Blue Sky Alpacas Techno Jazzy Cardigan, Blue Sky Alpacas Techno Jazzy Cardigan (Stitch Red), Blue Sky Alpacas Worsted Hand Dyes Men's Ribbed Sweater, and Blue Sky Alpacas Brushed Suri Tunic kits all using Blue Sky Alpacas Adult Clothing Patterns.
Hopefully our suggested yarn options for Vladimira's Shell can help you come up with your next exciting new project idea!