sketchy conceptual exhibition stand render 7m x 7m trade show space energetic football themed automotive activation central focus red mercedes cla positioned hero style on green astro turf flooring large bold floor vinyl graphic wrapping across the front of the car dynamic and sporty feature display sculptural flag holding installation capable of displaying 50 small hand waving giveaway flags arranged in a visually impactful clustered formation interactive zone small football goal net integrated into the stand design for gamification playful penalty shootout vibe subtle indication of a branded game mechanic area open plan layout clean but impactful strong brand moment perspective loose hand drawn architectural sketch style marker and pencil rendering light watercolour washes white background with soft shadows style conceptual design board aesthetic slightly rough linework expressive strokes dynamic perspective angle 3 4 view mood sporty vibrant interactive high energy but still premium budget conscious build feel 25k 30k realistic materials modular exhibition construction include light human silhouettes for scale high resolution presentation ready suitable for client moodboard