Coussins étoiles d'après le DIY en lien sur le site / Tuto / DIY / star pillows from mamas kram - Sternekissen. With link to step-by-step photo and written tutorial for alphabet pillows. Same process, but with piping.
Potato stamp: Place the cookie cutter on a table, cutting side up. Center the potato over the cutter and press the cutter at about inch into the potato. Cut the excess potato flesh with a kitchen knife away from the cookie cutter & pull cookie cutter out.