66vi Sigil — Transmission Cipher Typeface - Personal Use
Type anything.
It looks like data.
It is data.
A cipher typeface built from 8‑dot braille patterns and mapped to the Latin alphabet through a custom encoding — one that rewards close attention and resists casual reading.
Pay what it’s worth to you
Personal use is free forever. If the signal is worth something to you, name your number — it funds the next transmission.
Leave it blank and Gumroad will ask you at checkout. Need commercial rights? There are four tiers.
Something between the stations
In the 1940s, a maritime radio operator named Marvin Farr found a frequency where signals didn’t behave the way signals should. 66.06 MHz. He spent the rest of his life transmitting into it. What he sent, nobody knew.
Marvin lost his sight young and learned to hear deeper. Braille became his first language — not the six‑dot kind, but the denser eight‑dot system, where every cell holds 256 possible states instead of 64. Enough room to carry a whole alphabet and still have secrets left over.
66vi Sigil is the typeface that came out of that signal. Every letter you type becomes an 8‑dot cell. To anyone who doesn’t have the key, your sentence is a readout. To anyone who does, it’s a sentence.
Carrier detected · modulation unknown · pattern repeats every 8 bits
TrueType (.ttf)
One file. Install once, works everywhere.
8‑dot cells
2 columns × 4 rows. 256 states per glyph.
Send something into it
Type below. Watch it stop being words.
This is the real 66vi_Sigil.ttf v2.0 rendering live in your browser — the same outlines you install. Your download adds the decode key, licence and install guide.
0 characters · 0 cells
All 82 glyphs
Letters, numerals and punctuation — every one drawn, none borrowed. Below is the actual typeface rendering, not a picture of it.
a — z
0 — 9
Punctuation
Case‑insensitive by design: A and a resolve to the same cell, so a stray shift key never changes what you transmit.
Three colours that work
Exact hex codes are in the install guide, so your headline matches the reference card on the first try.
What lands in your download
66vi_Sigil.ttf
The typeface. 82 glyphs, hinted, ready to install.
Cipher Reference Card
The complete decode key — every letter, every cell.
End User Licence
Your tier, in plain language. No lawyer required.
Install guide
Step‑by‑step, plus the three colour codes.
Confirmed working in
Can’t install fonts on your phone? Encode messages in the browser at 66vi.io/cipher and paste the result anywhere.
Know exactly what you’re allowed to do
This listing is the Personal Use tier. It is free, and it is genuinely free — but it is non‑commercial. If money changes hands anywhere near your project, you want one of the paid tiers.
- Non‑commercial projects only
- Up to 2 devices
- Full 82‑glyph TTF + decode key
- Client & commercial work
- Logos, packaging, print
- Desktop installs
- Everything in Commercial
- Wider distribution rights
- Products for resale
- Everything in Extended
- Film, TV, streaming, large audience
- Studio‑scale use
Personal Use covers
- Personal art, journals and zines you don’t sell
- Gifts and private messages to friends
- Social posts from a personal, non‑monetised account
- Installing on 2 devices you own
Personal Use does not cover
- Client work or anything you invoice for
- Logos, packaging or products you sell
- Monetised channels, ads or sponsored posts
- Redistributing the .ttf file itself
Upgrading later is easy — the paid tiers are separate listings in the same shop and include the identical font file. Browse the shop →
Before you transmit
Is it really free?
Can people actually read what I write?
What’s in the character set?
Does it work on my phone?
I want to use this for a client. What do I need?
What if it doesn’t work for me?
Encode your messages in Marvin’s language
Personal use. Free forever. 82 glyphs, the decode key, and a frequency that never stopped.
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