"beautiful techniques" is a correct and usable phrase in written English.
You can use it whenever you need to describe something that is accomplished using attractive methods. For example, "I admire the beautiful techniques used by the artist in their painting."
We are also shown her literal gears, a clever and beautiful technique of the film-makers.
I'd seen her rehearse a different ballet last year — yet another promising Argentine dancer with beautiful technique and seemingly limitless potential.
They knew how to sing bel canto in a good way, a tradition which is now almost lost, in my opinion: this beautiful technique but with a full sound, and you can also understand the words.
She had a beautiful technique and special something that made my eye keep going to her.
Rabih Kayrouz of Maison Rabih Kayrouz continued to develop starkly beautiful knitting techniques in his geometrically slashed dresses, creating a look he compares to window shutters that open slightly to emit light.
Haynes understands that swooningly beautiful traditional technique bolstered by thrilling performances creates the greatest impact.
the G20, this magazine, social media, reality tv, the economy as a news item, mum and dad investors, are all part of the most pure and beautiful mesh of techniques of social control that have ever existed.
That's a dance hero's armor to wear, but Lloyd Mayor, an apprentice with the company when Mr. Move chose him, has everything that the role requires, except celebrity: a beautiful face, sculptural technique.
The first was a positive insight: so much of what we consider beautiful is a technique rather than an inherent state of being.
He wonders why, "when the technique is primitive, everything is beautiful, and when the technique is perfected, almost everything is ugly, except things created by artists who are ingenious enough to overcome technique?" He repudiates "technical perfection" and suggests that it represents "the death of art".
