clothing mockup t-shirt mockup stunning design shadows background clothing mockup t-shirt mockup stunning design shadows background creative inspiration generative ai editable psd 4k resolution rgb colors t-shirt template hanging t-shirt room shadows plant corner wall shadow white wall mockup design creative mockup t-shirt design mockup inspiration t-shirt display design template shadow effects backdrop t-shirt presentation mockup room plant shadow wall design creative t-shirt mockup background design inspiration editable mockup t-shirt art mockup with plant shadow design wall t-shirt with shadows creative display mockup with background t-shirt room design with shadows mockup art t-shirt with plant shadowed wall design mockup creativity t-shirt inspiration editable design generative ai