Someone has made a design that is useful, practical and pleasing.

With the Velite, a much more practical design is put forth.

However, a practical design must also limit the destructive radius of the fireball.

The simple but practical design has proven to be very popular.

The first practical design for hovercraft derived from a British invention in the 1950s to 1960s.

His achievement was the transfer of that theoretical framework to practical design.

They were looking for a design that was inexpensive yet practical, and a community where decisions were made equally.

"No, sir; I mean in the practical design of machinery."

This curve is considered as an important basis of practical design.

This layout is the most traditional form, and remains a popular, practical design.