Diagonal Seam Tape 10 yards Collection_Flirty By supplementing the Wing Clipper

By supplementing the Wing Clipper 1 with this tool

but when you put four of them together you can make the periwinkle block so easy with no Y seams

Mark the wrong side of the center square through the holes on the ruler to ensure a perfect seam allowance

to make your quilt top

Diagonal Seam Tape 10 yards Collection_Flirty By supplementing the Wing ClipperDiagonal Seam Tape is a perfect solution for sewing straight diagonal seams without having to mark any lines! The special washi tape is strong, thin, and removes cleanly after sewing projects. Simply place the tape in front of the feed dogs with the red line in front of the needle as the stitch line. The black lines on either side of the center line represent a perfect 1 4" seam allowance and are a great resource to use when making half square