Block 19 of the Doctor Who Along Quilt along on flickr is the Power of Three. Makes a handy paperweight! This block is suitable for an advanced beginner. Please follow the Doctor Who Along on Flickr for more tips and inspiration from fellow Whovian Quilters. Link to Flickr QAL http://www.flickr.com/groups/2183212@N20/ BASIC SKILLS NECESSARY paper piecing foundation piecing sewing SIZING / FINISHED MEASUREMENTS 12"