Help! I misaligned my perler piece with masking tape any ideas on

Perler Beads how-to masking tape method with Donkey Kong and Bowser.

I tried to make a strawberry headband but it turns like this and flares, does anyone know why this happens and how to correct it? : r/crochet

threeboy — The Perler Bead Flat Melt No Poke Tape Method

Perler Beads Thump Thump Goes My Heart

Step #8: The Tape Method — Perle Up & Die

Stop Warped Pegboards: Perler Bead Tape Method – Krysanthe

Perler Beads Thump Thump Goes My Heart

The Tape Method for Fusing Large Projects

Anyone knows how to fix this sh figuarts gojo arm? : r/ActionFigures

Help! I misaligned my perler piece with masking tape any ideas on how to fix before I iron? : r/beadsprites