Lovely hexagon motif can be made in pretty much any yarn weight or hook size depending on need. A triad of diamond puffs accents three sides. Would class this as beginner to intermediate pattern.

Materials: Use any weight of yarn or size of thread. Some popular choices could be:
worsted weight yarn, US size H hook
sport weight yarn, US size F or G hook
size 10 thread, US size 7 or 8 steel hook
Other thread sizes: Matching Hook Size to Thread Size