Enlarged Image Printable PDF Generator... Select an image, set the width for the size you want it to be, posterize it or make an outline-only version for use as a mural template, adjust the brightness and contrast if you want, print it out as a PDF, cut out and tape the prited image sections together for a big version of your original image. 100% vibe coded sort of. Primarily for use as a personal studio tool for making murals and giant book report / coloring book / math worksheets etc for my kid.
http://tombetthauser.com