Wavy Triangles.
Related Post

Upside down lace heartsUpside down lace hearts
Upside down lace hearts. More Great Patterns Like This

Right and Left Cross Mock Cable Knitting Stitch with Yarn OversRight and Left Cross Mock Cable Knitting Stitch with Yarn Overs
Right and Left Cross Mock Cable Knitting Stitch with Yarn Overs. More Great Patterns Like This