Using a Trellis System - Your trellis system will need some kind of support: posts or Studded T Posts driven into the ground are typical solutions. Lace heavy twine or wire and pattern string from top to bottom to support the crop. - My Garden Win
DIY hanging diamond decor by contributor Kathleen :: These use straws covered in silver muffler tape. She used cotton string, but fishing line works, too. All the dimensions for the straws are given for all 3 sized diamonds!