I created this pretty crochet flower coaster with a G hook and medium worsted yarn. These beautiful coasters make nice gifts. It measures about 5 by 5 inches. You can make it bigger by going up a hook size. I love how this coaster pattern turned out. Crochet Flower Coaster Tutorial: An easy and fun way to add some crochet flair to your home. This crocheted coaster is a very easy project that is sure to add some personality to your living space. With just a few simple steps, you'll have a beautiful coaster ready to use in no time at all!