Photorealistic 3D render of a black circular drink coaster, personalized with raised block letters reading "Caleb Yarbrough" along the top edge. The center of the coaster features a miniature abacus design with small raised spheres on rods, some with tiny dollar signs and percentage symbols. The coaster has a slight raised lip around the edge, is 3D-print ready, placed on a wooden table with a coffee mug in the center, soft shadows, realistic lighting, high detail. See more