• Each product has definite purpose. It has to perform specific functions to the satisfaction of the customers. The functional requirement brings product and people together.
  • But when there are number of products in the market having the same qualities, efficiency, cost, durability. the customer is naturally attracted towards the most appealing product.
  • The external appearance is an important feature which gives grace and luster to the product and dominates the markets. This external appearance is called asthetic consideration in design
  • The products basically divided into five basic forms - step, stream, ,taper, shear and sculpture.
    • Step form is similar to multistory building or sky scraper. Mainly the vertical shapes are covered rather than horizontal.
    • The stream or streamline form is seen in automobiles and aeroplane structure
    • The taper form consists of tapered blocks interlocked with tapered plinths or cylinders.
    • The shear form has square outlook, which is useful for free standing engineering products.
    • The sculpture form has ellipsoids, paraboloids and hyperboloids.
• The sculpture form and stream forms are suitable for mobile products like vehicles. The step and shear forms are for stationary products.

Colour Selection

Color selection is an important consideration of product asthetics. Selection of color should be compatible with conventions.

The product is not design just only with form and colour in asthetic consideration but along with rigidity, resilience, tolerance, surface finish, materials, manufacturing methods and noise.