QAL Spectrum QAL 2020 Block 13: Blue Stitch Collection by Riley Blake Designs by Elaine Theriault April 9, 2021 by Elaine Theriault April 9, 2021 Instructions for Spectrum QAL 2020 Block 13 by Elaine Theriault using the ever so cool, Blue Stitch Fabric Collection by Riley Blake. Free block pattern and tutorial FacebookTwitterPinterestLinkedinRedditWhatsappTelegramEmail