The rave flyer look came out of a photocopier
Yellow on black, a smiley, letters breaking up at the edges. Every one of those choices was a constraint of illegal, overnight, one-colour printing — and the degradation is the evidence.

The acid house flyer is one of the few graphic styles where you can name the year, the machine and the reason. It looks the way it does because of what it had to be: cheap, fast, and produced by people who were organising something that wasn't strictly legal.
Copying the surface of it is easy. Copying the logic is what makes one look real.
Why yellow on black, and why does it look degraded?
Because these were one-colour jobs run off a photocopier, often onto coloured card, in a hurry.
A flyer for an illegal party had a budget of nothing and a deadline of tonight. One ink. Small format — the surviving 1988 flyers are A6, black ink on coloured stock, a logo, the text, and a map on the reverse so people could find the place. There's no second pass, no registration, no proofing.
So the degradation isn't decoration. Halftone dots breaking up, letters filling in at the edges, a blown-out smiley with soft ghosting around it: those are what happens when artwork is copied from a copy from a copy. That generational loss is the single strongest signal of authenticity in the style, and it's the thing a clean render always misses.
Where does the smiley come from?
A specific commission in 1988, which is worth knowing because it explains the shape.
A promoter putting on a club night asked a designer for a flyer and insisted a smiley be on it. The designer rendered the flat symbol dimensionally — inspired by the 3D computer graphics of the moment — as discs tumbling in a cascade, which people immediately read as pills. The symbol was adopted and re-drawn by every promoter who followed.
Which is the useful part: the smiley was never one artwork. It was a shape everyone redrew. Melted, distorted, doubled, over-copied — the variations are the tradition, so making your own version is authentic rather than derivative.
What's on a flyer, layout-wise?
Information, arranged by shouting volume, filling the whole space.
Event name at the top in the biggest type available. The image in the middle. Then the practical layer that makes it a flyer rather than a poster: the DJs, the venue, the night, the door times, an information phone number. Type is stacked, condensed, and set to fill — margins were wasted paper.
That density is why the style works on a garment. It gives you a full field of print with a real reason for every element, rather than a graphic floating in space.
Can I use a real club night or a real promoter's flyer?
The specific flyers are artwork and the club names and logos are somebody's — so a reproduction is a copy, not a homage.
The form isn't owned. Photocopy degradation, stacked condensed type, a distorted smiley, an info line: all common property, and the culture itself was built on everyone redrawing everyone else's ideas within weeks.
Inventing the night is also the better version. A flyer for a party that never happened, in a warehouse you name yourself, with your friends as the DJs, is a specific object. A reprint of a famous flyer is merchandise for something you weren't at.
What about the phone number and the details?
Make them yours and make them plausible — that layer is what sells it.
The convention is unglamorous specificity: a date without a year, a door time, two door prices, an information number with an old area code. Those details are what makes the artefact read as a functional document rather than as a design about raving.
Just keep the invented details invented. A real phone number on a few hundred shirts is somebody else's problem, and a real venue name attaches your artwork to a business that didn't agree to it.
Why does this print so well?
Because it was designed for one ink and terrible reproduction, which is the most robust thing a garment print can be.
There's no gradient to lose, no fine colour work, no subtlety that depends on the surface. High contrast, one colour on a dark ground, and a design that already looks like it survived being photocopied four times. The failure modes that make prints look cheap mostly don't apply, because the style is made of those artefacts on purpose.
How do you keep it from looking like a filter?
Ask for the degradation as a physical process, not as a mood.
Generated versions tend to produce a clean poster with a light grain overlay — the layout is right, the history is missing. Naming the process gets closer: coarse halftone with dots breaking up, letterforms filling in at the edges, a second-generation copy with ghosting, edges that lost their sharpness, ink starved in patches.
Those are concrete and they land, which is reliably true of nouns and not of adjectives.
How do I get one made?
Describe the night at JustOG — what it's called, where it is, who's playing, and what the smiley looks like after four copies. Pick a direction, drag the crop frame, see it composited on the real garment, and it's made to order and shipped.
Designs other people have published are in the shop.
The blur wasn't a style. It was the fourth copy, and that's why it looks true.