PT
University of Letters
★ 4,000+ students trained across Brazil and worldwide

From 3D printing to steel, from design to pricing.
Learn to build and profit from professional sign letters.

10 courses, 200+ lessons. Go from beginner to specialist.

English captions available on the video and inside the platform
Start for $20/month →

7-day money-back guarantee · Cancel anytime

200+
Lessons
Active
Community
7-day
Guarantee

What our students are saying

Real results from students who started from scratch (original messages in Portuguese — translations on the right)

4,000+
Students
15+
Years of experience
10
Complete courses
200+
Lessons

10 complete courses.
One subscription.

Full access to every course for $20/month

3D Printing for Signs
3D Printing for Signs
From SketchUp modeling to final install. Build channel letters with 3D printing, finishing, and LED illumination.
41 lessons 10h 18min
Steel Letters
Steel Letters
Master stainless, galvanized, and brass letters. CorelDRAW design, cutting, welding, acrylic face, polishing, and install.
20 lessons 4h 19min
Acrylic Channel Letters
Acrylic Channel Letters 4.0
Chinese-style acrylic channel letters. Aspire design, CNC cutting, paint, assembly, LED wiring, installation, and sales.
26 lessons 6h 20min
Pro Neon
Pro Neon
LED Neon (2nd-gen flex) from zero to advanced. CorelDRAW design, acrylic and PVC CNC cutting, assembly, and install.
35 lessons 8h 15min
ACM
ACM Simplified
Channel letters in ACM (aluminum composite). CNC and router cutting, straight and curved letters, acrylic face, and lighting.
17 lessons 4h 20min
Molded Acrylic
Molded Acrylic
Heat-molded acrylic technique for channel letters. Complete process, step by step.
5 lessons 1h 11min
Automotive Paint
Automotive Paint for Signs
Pro paint techniques applied to sign letters. High-end finishing.
10 lessons 1h 58min
Start Neon
Start Neon
Intro to LED Neon. Perfect if you're just starting and want to learn the fundamentals safely.
25 lessons 4h 41min
PVC Signs
PVC Illuminated Signs
Cutting, gluing, painting, and finishing expanded PVC. Complete workflow for pro production.
7 lessons 1h 22min
Pro LED Lighting
Pro LED Lighting
Advanced LED lighting for signs. Calculation, power supply sizing, installation, and maintenance.
10 lessons 1h 30min

Stuck? Just ask the AI Chat.

Our AI learned every lesson and answers straight to the point — with a reference to the exact lesson so you can dig deeper.

Built by someone who lives the trade

Not theory from someone who never stepped into a shop

Matheus Pivatti
Matheus Pivatti
Founder of Letra Caixa do Zero · 15+ years in visual communication

15 years producing sign letters. Over 5,000 pieces delivered. Co-built Steel Letras with his father — a benchmark for channel letters in Brazil. Trained 4,000+ professionals, from people starting at home to multinationals. Everything in the courses comes from the workbench, not from a textbook.

More real results

Students showing the work they did after taking the courses

Everything in your subscription

No tricks. No extra fees. No surprises.

10 complete courses (200+ lessons)
AI Chat that answers technical questions instantly
AI linked to the lessons — points you to the exact moment
Community of professionals
Full list of tools and materials
Progress tracking per lesson
New content added at no extra cost
Access on mobile, tablet, and desktop
English captions on every lesson
7-day no-questions-asked guarantee

Start today

Less than $1 a day for full access

MONTHLY
$20/month
Cancel anytime · No lock-in
10 complete courses (200+ lessons)
Community of professionals
Progress saved automatically
New content at no extra cost
English captions
7-day guarantee
Start monthly →
Secure checkout via Stripe · Credit card
MOST POPULAR — Save $60
ANNUAL
$180/year
Equivalent to $15/month · 25% off vs. monthly
10 complete courses (200+ lessons)
Community of professionals
Progress saved automatically
New content at no extra cost
English captions
7-day guarantee
Start annual →
Secure checkout via Stripe · Credit card

Frequently asked

I'm a complete beginner — is this for me?
Yes. Every course starts from zero. No prior experience required. We have students who started in their garage and now run their own shops.
Are the lessons in English?
The platform interface and AI Chat are fully in English. Video audio is in Portuguese with high-quality English captions on every lesson. The AI Chat answers your questions directly in English.
How long do I have access?
As long as your subscription is active, you get access to every course plus all updates. Cancel anytime — no penalties.
What if I don't like it?
You're covered by a 7-day no-questions-asked guarantee. If it's not for you, we refund 100%. No forms. No calls.
Do I need expensive equipment to get started?
No. Several courses teach techniques you can practice with basic tools. As you grow, you invest in the equipment you actually need.
Is content updated regularly?
Yes. New lessons are added at no extra cost. You always have access to the most current material.
Is there support if I get stuck?
Yes. You get access to the built-in community where you can post questions, share projects, and exchange know-how with other pros and Matheus himself.
How is payment handled?
Payment is processed securely by Stripe in USD. Accepted worldwide with any major credit card.

Ready for the next step?

4,000+ professionals have been through the University of Letters. You could be next — building and selling pro-grade sign letters.

Start now for $20/month →

7-day guarantee · Cancel anytime · Secure checkout via Stripe