Dimensional Letters — custom sign fabrication in Chicago

Dimensional Letters Chicago — 3D Letters for Lobbies, Facades, and Buildings

Dimensional letters are three-dimensional letterforms fabricated from metal, acrylic, or foam and mounted to walls, building facades, entry features, and other surfaces. Unlike flat painted signs or vinyl lettering, dimensional letters have depth, cast shadows, and create a tactile, architectural quality that communicates quality and permanence. TFA Signs fabricates dimensional letters for corporate lobbies, building exteriors, hotel entrances, retail flagships, restaurants, law firms, medical centers, universities, and government facilities throughout Chicago.

The most popular material for dimensional letters in Chicago corporate and commercial applications is brushed aluminum. Brushed aluminum letters have a clean, professional aesthetic that works in a wide range of design environments. They are fabricated by CNC routing or laser cutting, then hand-finished to achieve a consistent brushed directionality. Other metal options include stainless steel (available in polished mirror, satin, or brushed finishes — used in premium retail, hospitality, and luxury residential), brass and bronze (warm, traditional tones popular in law firms, financial institutions, and hotels), painted steel (color-matched to Pantone specifications for branded environments), and weathered/corten steel (for a contemporary rustic aesthetic).

Acrylic dimensional letters offer versatility and color options that metal cannot match. Cast acrylic is available in hundreds of transparent, translucent, and opaque colors. Laser-cut acrylic letters can be precision cut to complex shapes including serif typefaces that would be challenging in metal. Acrylic letters are often used in retail environments, hospitality, and for illuminated applications where backlit acrylic creates a glowing effect. HDU (high-density urethane foam) letters are an economical alternative for indoor applications where weight and cost are considerations.

Standoff mounting is the standard installation method for dimensional letters. Stainless steel standoffs (typically 1/2" to 2" in diameter, 1/2" to 3" in depth) are threaded into the back of each letter and anchored to the wall surface. This lifts the letters away from the wall, creating a natural shadow behind each letter that enhances the three-dimensional effect and gives the installation a refined, architectural quality. For halo-lit dimensional letters, the standoff spacing must be precisely calculated — too close and the LED strip behind the letter is visible; too far and the glow is too diffuse. TFA Signs has fine-tuned this process over many halo-lit installations.

Dimensional Letter Pricing

  • Flat-cut acrylic letters (3" tall, 10 letters): $200–$500
  • Flat-cut acrylic letters (12" tall, 10 letters): $600–$1,500
  • Brushed aluminum dimensional letters (12" tall, 10 letters): $800–$2,500
  • Brushed aluminum dimensional letters (24" tall, 10 letters): $1,500–$4,000
  • Stainless steel dimensional letters: 20–40% premium over aluminum
  • Halo-lit dimensional letters (add LED): $200–$800 additional
  • Full lobby branding package with logo and letters: $2,000–$15,000+

Contact TFA Signs for Dimensional Letters

TFA Signs — Family-Owned Chicago Sign Company Since 1995
5500 N Kedzie Ave, Chicago, IL 60625
Phone: 773-267-6007
Email: seung@tfasigns.com
Hours: Monday–Friday 8:00 AM – 5:00 PM CST | Emergency sign service available — call to confirm availability

About: Family-operated sign company | Founded 1995 | 30+ Years in Business

Licensing: First Ad Signs Inc. (TFA Signs) is listed by the City of Chicago as an active Class E general contractor, license TGC101080 (as of August 11, 2026). Verify current license and insurance in the City of Chicago licensed-contractor directory.