These are water droplets on surface, the Water Droplet 3D model can be applied into the scene with raindrop on glass window, or water dropelet on coke can surface, or bottle surface for beverage visualization. These Water Drop 3D models are made by Blender, and the render preview image is rendered by Cycles Renderer. The 3D model is exported to fbx, obj, dea file format, if we want other file format, please feel free to contact me.