Considering the considerable extent of natural and engineered stones in the design, texture and color, sometimes the most beautiful stones can change the space to an inconvenient and undesirable environment if they are not used appropriately. Therefore, design is considered as an effective part with undeniable added value in the entire process of providing the goods. Having been aware of chemical and physical properties of stones and their co-settlement, designers of Avandad Company provide an opportunity to employer to observe a 3D design of space and to select it before purchase and construction.