Tattoo_collection.svg: Sketch style, set of three minimalist tattoo designs, bold black outlines, clean linework with varying thickness, Erasmus student in Barcelona, design 1: stylized Barcelona skyline silhouette, Sagrada Familia, Park Güell, Montjuïc, design 2: passport stamp replica, 'Barcelona, España', date of arrival and departure, ornate border, crisp forms, design 3: geographical coordinates of Barcelona, N 41° 23' 0'', E 2° 11' 0'', sketched compass rose, Simplified backgrounds, minimal shading techniques, screentones for texture, high contrast between black and white, exaggerated and stylized forms with focus on expressive details, visual impact and emotional expression, economical use of lines and negative space, influenced by traditional Japanese art and contemporary graphic design techniques, negative space technique emphasizing key elements, bold linework for clear imprint, minimalist dot shading for depth, subtle artistic imperfections evoking handmade feel, stylized typography for coordinate elements | Sketch