Nadine Taylor for Mère et Fille Tricots
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Patterns available as Ravelry Downloads
Crochet: Afghan block
This square is part of the Knitter Knotter Tunisian Blanket Cal 2022, Square #7, which I called the Labyrinth. It is in Tunisian crochet, made with a double ended hook, worked flat. (Video support link available in pattern).