This basic heart starts with a magic ring and is worked in two rounds, using a variety of stitches. I think cotton works very well with this kind of pattern, but you can use any kind of yarn in any weight you like!
Crochet Butterfly PATTERN, 3d Butterflies, Crochet Cozy Spring Decorations DIY Craft, Butterfly Art, Instant Download PDF Pattern No.16
PDF Beautiful CROCHET BUTTERFLY 3d Butterfly by LoveCyprusCrochet, $3.99
Pretty Flowers, Crochet designs, diagrams, how to's and ideasFree Crochet Tulips Pattern