Well-designed

It's incredible that you could write such a well-designed program after just picking up programming by imitation.

In my opinion, a well-designed website shouldn't require horizontal scrolling.

This product is well-designed.

It should be vetted through a well-designed testing process.

The intricacies of a well-designed building can be hard to appreciate, but Carlos has an eye for architecture.

A well-designed sports brassiere can make high-impact sports more enjoyable.

Therefore, what the train of the future must do is offer a comfortable and enjoyable experience in well-designed carriages that (for example) have pleasant lighting, have seats that align with windows, and which are comfortable enough so that you can doze off without having to call your oesteopath as soon as you wake up.