create an accurate 3d sketchup furniture model based on the uploaded sofa reference image the goal is a clean editable sketchup style 3d model not a photorealistic render requirements reproduce the sofa shape proportions and dimensions as accurately as possible preserve the overall silhouette armrest design seat depth backrest height and cushion arrangement create clean geometric modeling suitable for sketchup use simple neutral materials only no decorative styling or redesign no room background flooring or accessories no photorealistic rendering no lighting effects shadows or atmosphere white background isolated furniture object only furniture shown in perspective view suitable for sketchup editing focus on model accuracy proportions and construction details output sketchup style 3d furniture model of the uploaded sofa
