

NUVOLA Baked-Enamel Metal Dimensional Letter Signage | Precision Installation on an Art-Paint Wall
Selected Works
One letter, one hole — precision that becomes elegance on the wall
CHYIHAUR created exterior baked-enamel metal dimensional letters for NUVOLA, pairing metal laser cutting with a back-welded round-bar method. On an art-paint wall, the round bars were embedded with drilling accurate to ±1mm, fully protecting the art coating. Completed in seven days with 100% design fidelity, backed by a one-year warranty on the fabrication.
Year
2025
Project Planning & Execution
CHYIHAUR Team
Some walls are works of art in their own right. NUVOLA's exterior façade is finished in art paint, and the dimensional signage letters had to go up without leaving any unnecessary mark. CHYIHAUR paired matte metal baked-enamel dimensional letters with a back-welded round-bar method, converging every precision requirement of the installation into each drilled hole, so the letters seem to grow naturally out of the wall.
Project Background & Challenge
NUVOLA's exterior signage takes the route of matte metal dimensional letters, presenting the brand name on the façade in the quietest way possible. The greatest challenge of this project lay in the wall itself: the on-site surface was finished in art paint, and that coating's texture is part of the storefront's design. Every drilled and cored hole during installation had to be handled with great care — the tolerance between hole diameter and round bar kept within ±1mm — so the letters could seat precisely into the wall while preserving the integrity of the art coating. A single slip leaves no room for a second attempt.

An Unlit Choice
The art-paint coating is itself part of this facade's design, so a light box or a backing panel would only cover it with another layer. No lighting was fitted here: the dark baked-metal letters and the terracotta coating set each other off instead, so the brand is read through craft detail rather than brightness.
Design Goals & Strategy
We set the goal as "precise installation, zero-trace mounting." The letters are shaped by metal laser cutting for crisp stroke edges; round bars welded to the reverse form the fixing structure, seated directly into pre-drilled holes in the wall so no mounting hardware shows from the front. The lighting was intentionally left unlit, letting the texture of the baked enamel and the art-paint wall play off one another — expressing the brand through the detail of craftsmanship rather than brightness.

Hardware Out of Sight
Round bars are welded to the back of each letter and seated straight into holes pre-drilled in the wall, so no fixing hardware shows from the front — all that stays on the wall is the roughly one-centimetre depth of the letter and the shadow it casts.
- 01Exterior Dimensional Signage LettersDesign and fabrication of baked-enamel metal dimensional letters for the brand name.
- 02Metal Laser CuttingLetters shaped by laser cutting for precise, crisp stroke edges.
- 03Back-Welded Round-Bar MethodRound bars welded to the back of the letters — no exposed hardware on the front.
- 04Art-Paint Wall InstallationCareful drilling and coring, embedding precisely within ±1mm tolerance while protecting the coating.

Tolerance in the Setting Out
Hole positions come from precise setting out; the difference between hole and bar had to stay within ±1 mm, and a hole that misses leaves no room for a second attempt.
- 01Primary MaterialBaked-enamel metal dimensional letters, laser-cut to shape.
- 02Fixing MethodBack-welded round bars embedded into the wall; hole-to-bar tolerance of ±1mm.
- 03Lighting SetupUnlit design, presenting the brand through the texture of the baked enamel.
- 04Timeline & WarrantySeven-day construction cycle; one-year warranty on the fabrication.

The Key to the Letterform
The clean edge on these fine strokes comes from metal laser cutting; the finished letters match the design as drawn, at 100% fidelity.
Project Outcome
Once complete, NUVOLA's exterior signage sees the dimensional letters seated precisely into the art-paint wall — the coating intact and undamaged, with no fixing marks visible from the front, achieving 100% design fidelity. The façade retained its original artistic texture, the brand name fulfilling its identity role with just the right measure of presence, and the whole build took only seven days.
Learn More
FAQ
This is an exterior dimensional-letter signage project that CHYIHAUR executed for NUVOLA, using baked-enamel metal dimensional letters in an unlit design. The letters were shaped by metal laser cutting and fixed with back-welded round bars, then embedded precisely into an art-paint wall — completed in seven days.
The main body consists of baked-enamel metal dimensional letters, shaped by metal laser cutting, with round bars welded to the back as the fixing structure. No fasteners are visible from the front, giving a clean, matte metal texture.
The biggest difficulty is not damaging the art coating: drilling and coring must be handled with great care, keeping the tolerance between hole diameter and round bar within ±1mm so the letters seat precisely into the wall while preserving the integrity of the art-paint surface. CHYIHAUR completed the installation with precise hole-position setting-out and careful workmanship, leaving the wall coating fully intact.
An unlit design lets the baked-enamel metal letters express the brand through the material's own texture, setting off the art-paint wall without letting lighting steal the show — ideal for a storefront that emphasizes atmosphere and detail.
The NUVOLA exterior signage had a seven-day construction cycle and achieved 100% design fidelity; a one-year warranty on the fabrication is provided upon completion.
If your storefront uses art paint, a special coating, or any wall surface that calls for careful workmanship, you're welcome to reach CHYIHAUR through the "Contact Us" page on the official website, and the team will provide installation-method recommendations and a quote based on your wall's conditions.
Other Cases
Other Cases
These projects may not headline our portfolio, yet each reflects the same commitment CHYIHAUR brings to brand and space.
Whatever the scale, every piece is held to the same standard — so each sign, each installation, becomes a definitive mark the brand leaves on the city.


