PATCHWORK DOUBLESHELLS $11.95 (Undulations) The unique modular unit used in this garment involves knitting two shells and joining them at their base. The sample was knit using sport weight and fingering weight yarns. Different weight yarns can be used successfully if integrated within a unit. Description: The units (double shells) are knit individually and are joined by knitting them together Size: M Width=40", Length=20" (Custom size instructions included) Materials: Approximately 1300 yds in fingering and sport weight yarn Needle Size: 2 sets #5 circular & #5 DP Return to Patterns page