A well-made 3D sign does something a printed banner or flat panel simply cannot — it commands attention, creates shadow and depth, and tells a visitor immediately that your business is serious. It's the difference between a sign that gets noticed and one that gets ignored.
But 3D signs are also the most misunderstood category in signage. Customers often come to us with questions like: What material should I choose? How does lighting work? How long will it take? What will it actually cost?
This guide answers all of it — plainly, without jargon, based on how we actually do things at FlexRad.
What exactly is a 3D sign?
A 3D sign — also called dimensional lettering, built-up letters, or raised signage — is a sign where the letters or logo elements have physical depth and stand off the wall or backing panel. Instead of printing your logo flat on a surface, each letter or shape is fabricated with a face, sides (called returns), and sometimes internal lighting.
The result is a sign that:
- Casts shadows and changes appearance as light moves throughout the day
- Reads clearly from a distance and at an angle
- Looks premium and built-to-last rather than temporary
- Works both indoors (reception areas, feature walls) and outdoors (shopfronts, building facades)
3D signs are used for everything from small door nameplates to large rooftop letters visible from the road. The same core fabrication principles apply whether the sign is 30cm wide or 10 metres long.
Materials: which one is right for you?
The material you choose affects cost, lifespan, finish options, and whether your sign can be illuminated. Here are the four main materials we work with at FlexRad.
There's also aluminium composite panel (ACP) — a flat aluminium-faced panel often used as the backing for 3D letters. ACP gives a clean, modern base that complements any letter material.
Lighting options explained
Lighting transforms a 3D sign from a daytime fixture into a 24-hour brand asset. There are four main approaches.
The fabrication process, step by step
When you order a 3D sign from FlexRad, here's exactly what happens from first contact to installation day.
How much do 3D signs cost in Kenya?
3D sign pricing in Kenya varies widely based on material, size, and lighting. These ranges are based on real FlexRad jobs in 2026.
| Sign type & material | Typical price range |
|---|---|
| Small PVC foam 3D letters (indoor, door/reception) | KSh 8,000 – 25,000 |
| Medium acrylic letters — non-illuminated (shopfront) | KSh 25,000 – 60,000 |
| Medium acrylic letters — face-lit or halo-lit | KSh 40,000 – 100,000 |
| Channelium channel letters — illuminated exterior | KSh 50,000 – 120,000 |
| Stainless steel 3D letters — brushed or polished | KSh 60,000 – 200,000+ |
| Full 3D logo sign with ACP backing panel | KSh 35,000 – 150,000 |
How to choose the right 3D sign
The right material and lighting depend on where the sign will go and how it will be seen. Here's a quick decision guide:
- Your business is open in the evenings
- You're on a busy road or mall frontage
- You want maximum visibility from a distance
- Your brand uses colour that pops when lit
- Sign is in a well-lit indoor space
- Budget is the primary constraint
- No access to a power point near the sign
- It's a temporary installation
Tips for getting the most from your 3D sign
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Provide a vector logo file. AI or EPS files give us clean outlines that scale to any size without quality loss. Bitmap logos (JPEG, low-res PNG) may need to be redrawn before fabrication, which adds time and cost.
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Book a site visit before you finalise size. The same 1-metre sign can look perfect on one wall and too small on another. A site visit — which FlexRad offers free for larger orders — ensures the proportions are right before anything is cut.
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Check your wall surface before installation day. Some wall types (glass, tiles, hollow partitions) need special fixings. Let us know in advance so we bring the right hardware and avoid delays on the day.
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Specify Pantone or RAL colour codes if you have them. If your brand has exact colour standards, share the Pantone or RAL reference so your sign matches your other branded materials precisely.
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Clean regularly — it only takes seconds. Dust in Nairobi settles fast, especially on white or mirror-finish letters. A quick wipe with a damp cloth every few weeks keeps your sign looking sharp for years.
Frequently asked questions
Ready to order your 3D sign?
Share your logo and we'll send you a free mockup and quote within one business day. FlexRad fabricates and installs 3D signs across Kenya.
Published July 2026. Prices are indicative and subject to change based on specifications and material costs. Contact FlexRad for a confirmed quote on your project.
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