University of Letters

University of Letters

🖨️ 3D printing for signage

3D Printing from Scratch
for signs and channel letters

From modeling to installation: produce letters and parts with a 3D printer, finishing and LED lighting. Pay once and get lifetime access.

3D-printed channel letters Get lifetime access →

One-time payment · Lifetime access · 7-day guarantee

📚 41
Lessons
⏱️ 10h+
Of content
♾️ Lifetime
Pay once
🛡️ Guarantee
7 days

What you learn

Step by step, from modeling to a finished piece installed for your client

Modeling letters and parts in SketchUp
Slicing and 3D printer setup
Choosing filament and print parameters
Finishing: filler, sanding and painting
LED lighting and electrical assembly
Final installation and pricing your service

Built by someone who lives the trade

Not theory from someone who never set foot in a workshop

Matheus Pivatti
Matheus Pivatti
Founder of Letra Caixa do Zero · 15+ years in sign making

15 years producing signs. Over 5,000 pieces delivered. He built Steel Letras alongside his father — a benchmark for channel letters in Brazil. He has trained more than 4,000 professionals. Everything in these courses came from the workbench, not from a book.

Lifetime access

One payment. Yours forever. No subscription.

♾️ LIFETIME ACCESS
3D FROM SCRATCH
$27one-time
One-time payment · yours forever, no subscription
Complete 3D printing course for signs (41 lessons)
Lifetime access — no monthly fees, no renewals
From modeling to installation and pricing
Updates included at no extra cost
7-day unconditional guarantee
Get lifetime access →
🔒 Secure checkout · 🛡️ 7-day guarantee

Frequently asked questions

Is it really lifetime access?
Yes. You pay once and the access is yours forever — no monthly fees, no renewals.
Do I need a 3D printer to start?
You learn the whole process even before buying a machine. The course shows which printer and materials to use, so you invest with confidence in the right gear.
I'm a beginner. Can I keep up?
Yes. The course starts from zero, without skipping steps — from modeling to the finished piece installed for your client.
What if I don't like it?
You have a 7-day unconditional guarantee. If you don't like it for any reason, we refund 100% of your payment. No questions asked.

Want the full library?

UNI Complete gives you all 10 courses — channel letters in acrylic, ACM, steel, PVC, neon and 3D printing — with lifetime access for $147.

See UNI Complete →

Start producing with 3D printing

Learn from scratch how to make letters and parts with 3D printing for signage. Pay once and get access forever.

Get lifetime access →

One-time payment · Lifetime access · 7-day unconditional guarantee