RJD-140. JELLY-ROLL RUG PLUS is a square with mitered corners version of the ever popular RJ Designs Jelly-Roll Rug pattern. Carry on the phenomenal Jelly-Roll Rug craze with this new unique square version. This version will still use the pre-cut 2-1/2in Jelly-Roll or strip roll of 40 strips, PLUS a little extra yardage will be needed for borders, etc. Jelly-Roll Rug Plus is the pattern that many have been waiting for!