Amazon.com: ViviLux 3-in-1 Rechargeable RED Laser System with Adjustable Line, Crosshairs and Dot Illumination Heads; Innovative Sewing and Quilting Notion for Precise Stitching; Mounts with HOOK AND LOOP TAPE : Arts, Crafts
Use This Easy $6 Hack to Add a Laser Line to Any Sewing Machine - Amber Simmons
Slice of Pi Quilts: Adding a laser to ANY sewing machine!