transform the provided sketchup dining room scene into a hand rendered grainy architectural watercolor illustration maintain the original layout proportions and camera angle clean precise black ink linework defining furniture edges cabinetry window frames and architectural details soft watercolor washes layered over the drawing warm walnut wood tones for the dining table and sideboard muted forest green accent wall warm white walls and soft beige upholstered chairs natural light entering from the large glass doors rendered as soft diffused watercolor gradients with gentle shadow washes on the floor subtle texture of watercolor paper visible slight color bleed at edges light fading into white around the perimeter for an airy presentation board aesthetic loose but controlled brushwork transparent layered washes minimal clutter artistic architectural illustration style