Diagonal Seam Tape - Cluck Cluck Sew
Why not upgrade your sewing bed from that sticky piece of masking tape and save yourself time marking all the 1/4" seam lines for the bazillion HST's you're in the process of sewing for your next project.
Allison from Cluck Cluck Sew has made our sewing life so much easier with this nifty and oh so handy sewing notion that marks the 1/4" sewing lines for you on both sides of the needle line....genius. 10 yards will see you through a lot of projects!
Printable instructions are right here :