The block goes dark except for one shop window
At two in the morning a shop's blazing window is the one hard-edged rectangle of light on an otherwise black street, and that contrast is the whole design.

A shop window fills the print, blazing fluorescent white against solid black. Shelves and a magazine rack are visible through the glass, and one figure stands at the counter. On the pavement below, the light stops in a hard rectangle and goes no further.
Everything the design contains is that stop.
Why is the shop lit and nothing else?
Because for a stretch of a hundred metres, at that hour, it is the only thing generating light.
Streetlamps are dim by comparison and spaced well apart. A shop window is a wall of fluorescent tube behind glass, running all night, and next to it the rest of the block reads as flat black. The print takes that difference literally instead of softening it: one bright shape against one dark field, with nothing worked in between.
Why does the light stop in a straight edge?
Because a window is a hard-edged source, not a glow.
Light leaving a pane of glass travels straight and stops where the glass stops. It lands on the pavement as a rectangle with a defined edge, not a halo fading outward. A soft gradient there would be describing a streetlamp, not a shopfront — and it's also the weaker choice for what a print actually survives being turned into, which the last section covers.
What has to be visible through the glass?
Just enough to say the shop is open, not so much that it becomes a scene of its own.
Shelves and a magazine rack say retail without naming anything. One figure at the counter says somebody is working, which does most of the job of making two in the morning legible at all — an empty shop reads as closed, and a shop with nobody behind the counter reads as wrong. One figure, doing something ordinary, is the amount of incident the design can carry.
Can I use a real shop's frontage?
A specific chain's shopfront design, signage and packaging are owned and actively defended — the same territory as what makes a shelf of packaging instantly readable. A licence is available if the point of the shirt is that particular company. If it isn't, inventing the shelves and leaving the glass unlabelled gets the same shop with none of the paperwork, and it's closer to what the eye actually takes in from across a dark street anyway — nobody's reading a sign at that distance.
Does this work for a shop that isn't a convenience store?
Anything open all night and lit from within behaves the same way — a laundrette, a standing counter like the noodle bar wedged under a railway viaduct, a taxi office. What matters is the ratio between a small bright source and a large dark field around it, not which trade happens to be inside.
Swap the shelves and the figure's stance for whatever the actual place has, and the geometry does not need to change at all.
Isn't a mostly black print an odd thing to want?
It's a large area of solid ink, which is a different question from whether it reads as empty.
The eye goes straight to the one lit rectangle because there's nowhere else for it to go — that's the entire composition working as intended. Set beside a line of taxis waiting for the same last train, wet road and roof lights doing an equivalent job against the same black, it's clearly a register rather than an accident.
How does this hold up as a print?
Better than a brighter design would.
Solid black ground and one blazing rectangle is close to the ideal case: flat fill, hard edges, nothing asked of a gradient. The shelves and the magazine rack inside the window are the fine detail, and they need to stay coarse rather than fussy, or they blur at the size a shirt actually gets printed at. Black or off-white grounds both work; two or three inks is enough.
How do I get one made?
Describe the shopfront at JustOG — what's on the shelves, who's behind the counter, how far the light reaches. 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.
Nobody switches that light off before five.