Twiddly

Radio – with its buttons and twiddly knobs and white noise in between – is on the tip of a huge wave of change, courtesy of the Internet.

Source: wiktionary

Through the open doorway Nedda could see […] the back of Mr. Cuthcott in a twiddly chair, surrounded by sheets of paper reposing on the floor, shining like autumn leaves on a pool of water.

Source: wiktionary

The design of an indicator is often — indeed usually — thought to be the business of the engineer, perhaps aided by someone — an artist or a "stylist" — who adds an aesthetic touch, a twiddly bit, a strip of chromium, a dash of paint, or better still several dashes in clashing colours, of which a bilious yellow will be one.

Source: wiktionary

Everyone has a computer, everyone has the same software, and everyone thinks they can stick a couple of butterflies onto a twiddly background and they have an illustration. They don't have an illustration; they have decoration.

Source: wiktionary