Spranz Werbeartikel T-Shirt Mockup in Heather Grau

Photo-real product mockup of a heather gray t-shirt with "spranz werbeartikel" logo printed at large hero print. Mockup style: studio flat lay, pastel soft logo palette. Studio-grade photography, sharp focus, natural fabric texture / mug ceramic / paper grain. Magazine-quality merch shot, no watermarks. Logo is generic placeholder typography — no real-brand marks. Realistic product proportions. Target search intent (rendered visually, no on-image text): "spranz werbeartikel" (de).