A brushed steel fascia runs across a near black booth panel with five delivery slits cut into it. Above each slit a first name and a job are engraved, with a small lamp beside them. From every slit hangs a glossy strip of four colour photographs of that person, cut from two sittings at different crops, with a name, a role and a serial number printed in the white foot. The strips are loose paper: they drift a degree or two in a draught, and a pointer dragged through them knocks them aside so they swing back like pendulums. Press a strip and it drops out of the picture, the lamp lights, and a fresh one feeds out one frame at a time with the poses in a new order. The booth reprints people by itself until somebody touches it. On a phone the panel stays large and two round buttons slide along it.
import { useCallback, useEffect, useRef, useState } from "react";
import { motion, useReducedMotion, useSpring } from "framer-motion";
import { ChevronLeft, ChevronRight } from "lucide-react";
type Pose = { shot: 0 | 1; at: string; zoom?: number; flip?: boolean };
/** One slot per person: two sittings, cut into four poses. `tone` shows until a picture arrives. */
const people: { name: string; role: string; tone: string; shots: [{ src: string; alt: string }, { src: string; alt: string }]; poses: [Pose, Pose, Pose, Pose] }[] = [
{
name: "Halima Sesay",
role: "Runs the press",
tone: "#7f9fe0",
shots: [
{ src: "https://images.pexels.com/photos/15520549/pexels-photo-15520549.jpeg?auto=compress&cs=tinysrgb&w=500", alt: "Smiling woman in a lilac headscarf and pink blouse leaning on a table, blue backdrop" },
{ src: "https://images.pexels.com/photos/15520550/pexels-photo-15520550.jpeg?auto=compress&cs=tinysrgb&w=500", alt: "The same woman laughing with one hand raised to her shoulder" },
],
poses: [
{ shot: 0, at: "50% 22%", zoom: 1.5 },
{ shot: 1, at: "56% 20%", zoom: 1.7 },
{ shot: 0, at: "50% 26%", zoom: 2.3 },
{ shot: 1, at: "50% 30%", zoom: 1.25, flip: true },
],
},
{
name: "Winston Adeyemi",
role: "Mixes the inks",
tone: "#f3a9c8",
shots: [
{ src: "https://images.pexels.com/photos/4584605/pexels-photo-4584605.jpeg?auto=compress&cs=tinysrgb&w=500", alt: "Bald man in a pink T-shirt raising his eyebrows at the camera, pink backdrop" },
{ src: "https://images.pexels.com/photos/4584606/pexels-photo-4584606.jpeg?auto=compress&cs=tinysrgb&w=500", alt: "The same man turned side on, glancing back over his shoulder" },
],
poses: [
{ shot: 0, at: "50% 34%", zoom: 1.7 },
{ shot: 1, at: "62% 16%", zoom: 1.7 },
{ shot: 0, at: "50% 36%", zoom: 2.6 },
{ shot: 1, at: "60% 20%", zoom: 1.3, flip: true },
],
},
{
name: "Folake Obi",
role: "Sets the type",
tone: "#46525f",
shots: [
{ src: "https://images.pexels.com/photos/9971680/pexels-photo-9971680.jpeg?auto=compress&cs=tinysrgb&w=500", alt: "Woman in patterned pink glasses and a plum shirt frowning with arms folded, slate backdrop" },
{ src: "https://images.pexels.com/photos/9971718/pexels-photo-9971718.jpeg?auto=compress&cs=tinysrgb&w=500", alt: "The same woman looking straight into the lens with her head tilted" },
],
poses: [
{ shot: 1, at: "52% 24%", zoom: 1.6 },
{ shot: 0, at: "50% 20%", zoom: 1.6 },
{ shot: 1, at: "54% 28%", zoom: 2.4 },
{ shot: 0, at: "50% 22%", zoom: 1.2, flip: true },
],
},
{
name: "Caspar Lund",
role: "Trims and binds",
tone: "#b03a26",
shots: [
{ src: "https://images.pexels.com/photos/8727463/pexels-photo-8727463.jpeg?auto=compress&cs=tinysrgb&w=500", alt: "Red haired man with a short beard in profile, brick red backdrop" },
{ src: "https://images.pexels.com/photos/8727340/pexels-photo-8727340.jpeg?auto=compress&cs=tinysrgb&w=900", alt: "The same man in a long white top looking down with his arms held out" },
],
poses: [
{ shot: 0, at: "40% 36%", zoom: 1.35 },
{ shot: 1, at: "50% 27%", zoom: 2.9 },
{ shot: 0, at: "44% 40%", zoom: 1.9, flip: true },
{ shot: 1, at: "50% 30%", zoom: 1.5 },
],
},
{
name: "Emeka Bright",
role: "Keeps the books",
tone: "#1f7180",
shots: [
{ src: "https://images.pexels.com/photos/36440745/pexels-photo-36440745.jpeg?auto=compress&cs=tinysrgb&w=900", alt: "Man in a checked wool coat resting his head on his hand, teal backdrop" },
{ src: "https://images.pexels.com/photos/36440743/pexels-photo-36440743.jpeg?auto=compress&cs=tinysrgb&w=900", alt: "The same man with a hand at the back of his neck, eyes closed" },
],
poses: [
{ shot: 0, at: "52% 12%", zoom: 2.5 },
{ shot: 1, at: "66% 8%", zoom: 2.6 },
{ shot: 0, at: "50% 22%", zoom: 1.5 },
{ shot: 0, at: "52% 13%", zoom: 3.3, flip: true },
],
},
];
const club = "Saltmarsh Print Club";
// Design pixels: the booth panel is drawn at this size and scaled to the frame.
const SCENE_W = 940;
const SCENE_H = 660;
const PITCH = 166; // slot to slot
const SLIT_Y = 116; // where paper leaves the fascia
const STRIP_W = 116;
const FRAME_H = 104;
const GAP = 6;
const FOOT = 34;
const LEN = 8 + FRAME_H * 4 + GAP * 3 + FOOT;
const FIRST_X = (SCENE_W - PITCH * (people.length - 1)) / 2;
// the pendulum, in degrees and seconds
const PULL = 24; // how hard a strip is drawn back to plumb
const DRAG = 0.85; // air on paper
const GRAVITY = 2600;
const clamp = (v: number, lo: number, hi: number) => Math.min(hi, Math.max(lo, v));
const steel = "repeating-linear-gradient(90deg,rgba(255,255,255,0.07) 0 1px,rgba(0,0,0,0.035) 1px 2px,rgba(255,255,255,0) 2px 5px), linear-gradient(180deg,#f3f4f4 0%,#c9cdcf 22%,#e8eaeb 50%,#9da3a7 82%,#bcc1c4 100%)";
const grain = "radial-gradient(circle at 24% 30%, rgba(255,255,255,0.05) 0 0.6px, rgba(0,0,0,0) 1.1px), radial-gradient(circle at 70% 66%, rgba(0,0,0,0.22) 0 0.7px, rgba(0,0,0,0) 1.2px)";
type Body = { a: number; w: number; y: number; vy: number; mode: "hang" | "drop" | "feed"; step: number; wait: number; ph: number };
export default function PhotoBoothTeamStrips() {
const reduce = !!useReducedMotion();
const wrapRef = useRef<HTMLDivElement>(null);
const sceneRef = useRef<HTMLDivElement>(null);
const stripRefs = useRef<(HTMLDivElement | null)[]>([]);
const shadeRefs = useRef<(HTMLDivElement | null)[]>([]);
const bodies = useRef<Body[]>(people.map((_, i) => ({ a: [1.4, -0.9, 0.6, -1.3, 0.8][i % 5], w: 0, y: 0, vy: 0, mode: "hang", step: 4, wait: 0, ph: i * 1.7 })));
const hold = useRef({ scale: 1, touched: false, over: false, lastX: 0, lastT: 0 });
const [turn, setTurn] = useState<number[]>(people.map(() => 0));
const [busy, setBusy] = useState(-1);
const [focus, setFocus] = useState(2);
const pan = useSpring(0, { stiffness: 90, damping: 18 });
const place = useCallback(
(jump: boolean) => {
const wrap = wrapRef.current;
if (!wrap) return;
const w = wrap.clientWidth;
const sc = clamp(w / SCENE_W, 0.74, 1.1);
hold.current.scale = sc;
wrap.style.height = `${Math.round(SCENE_H * sc + (w < 640 ? 34 : 0))}px`;
const centre = (FIRST_X + PITCH * focus) * sc;
const x = SCENE_W * sc <= w ? (w - SCENE_W * sc) / 2 : clamp(w / 2 - centre, w - SCENE_W * sc + 40 * sc, -40 * sc);
if (sceneRef.current) sceneRef.current.style.transform = `scale(${sc.toFixed(4)})`;
if (jump || reduce) pan.jump(x);
else pan.set(x);
},
[focus, pan, reduce],
);
useEffect(() => {
place(true);
const ro = new ResizeObserver(() => place(true));
if (wrapRef.current) ro.observe(wrapRef.current);
return () => ro.disconnect();
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
useEffect(() => place(false), [place]);
/** Let go of the strip that is hanging and print that person again. */
const print = useCallback(
(i: number) => {
const b = bodies.current[i];
if (reduce) {
setTurn((t) => t.map((v, k) => (k === i ? v + 1 : v)));
return;
}
if (b.mode !== "hang") return;
b.mode = "drop";
b.vy = 60;
b.w += b.a >= 0 ? 26 : -26;
},
[reduce],
);
// one loop moves every strip: sway, fall, and the four clunks of a new one feeding out
useEffect(() => {
if (reduce) return;
let raf = 0;
let last = 0;
let visible = true;
const draw = (i: number) => {
const b = bodies.current[i];
const el = stripRefs.current[i];
const sh = shadeRefs.current[i];
if (el) {
el.style.transform = `rotate(${b.a.toFixed(3)}deg) translate3d(0,${b.y.toFixed(2)}px,0)`;
el.style.setProperty("--lean", b.a.toFixed(2));
}
if (sh) sh.style.transform = `rotate(${(b.a * 1.14 + 0.9).toFixed(3)}deg) translate3d(0,${b.y.toFixed(2)}px,0)`;
};
const tick = (now: number) => {
raf = 0;
const dt = Math.min(0.032, last ? (now - last) / 1000 : 0.016);
last = now;
const t = now / 1000;
bodies.current.forEach((b, i) => {
if (b.mode === "drop") {
b.vy += GRAVITY * dt;
b.y += b.vy * dt;
b.a += b.w * dt;
if (b.y > SCENE_H + 120) {
b.mode = "feed";
b.y = -LEN;
b.a = 0;
b.w = 0;
b.vy = 0;
b.step = 0;
b.wait = 0.34;
setTurn((v) => v.map((n, k) => (k === i ? n + 1 : n)));
setBusy(i);
}
} else {
const feeding = b.mode === "feed";
if (feeding) {
b.wait -= dt;
if (b.wait <= 0 && b.step < 4) {
b.step += 1;
b.wait = 0.36;
b.w += b.step % 2 ? 9 : -9;
}
const to = -LEN * (1 - b.step / 4);
b.y += (to - b.y) * Math.min(1, dt * 17);
if (b.step === 4 && Math.abs(to - b.y) < 0.4) {
b.y = 0;
b.mode = "hang";
b.w += 14;
setBusy((cur) => (cur === i ? -1 : cur));
}
}
const out = 1 + b.y / LEN; // a short tongue of paper is stiff, a full strip is loose
const draught = (Math.sin(t * 0.9 + b.ph) * 26 + Math.sin(t * 2.3 + b.ph * 2.1) * 12) * out;
const acc = -(PULL + (1 - out) * 220) * b.a - (DRAG + (1 - out) * 7) * b.w + draught;
b.w += acc * dt;
b.a = clamp(b.a + b.w * dt, -38, 38);
}
draw(i);
});
if (visible && !document.hidden) raf = requestAnimationFrame(tick);
};
const start = () => {
if (!raf && visible && !document.hidden) {
last = 0;
raf = requestAnimationFrame(tick);
}
};
const io = new IntersectionObserver(([e]) => {
visible = e.isIntersecting;
start();
});
if (wrapRef.current) io.observe(wrapRef.current);
document.addEventListener("visibilitychange", start);
start();
return () => {
cancelAnimationFrame(raf);
io.disconnect();
document.removeEventListener("visibilitychange", start);
};
}, [reduce]);
// the booth reprints one person after another until somebody takes over
useEffect(() => {
if (reduce) return;
const order = [1, 3, 0, 4, 2];
let n = 0;
const go = () => {
const s = hold.current;
if (s.touched || s.over || document.hidden) return;
const i = order[n % order.length];
n += 1;
setFocus(i);
print(i);
};
const first = window.setTimeout(go, 3000);
const loop = window.setInterval(go, 4600);
return () => {
window.clearTimeout(first);
window.clearInterval(loop);
};
}, [print, reduce]);
// a pointer passing through a strip pushes it, harder the lower down it is caught
const onMove = (e: React.PointerEvent) => {
const wrap = wrapRef.current;
if (!wrap || reduce) return;
const s = hold.current;
const r = wrap.getBoundingClientRect();
const x = (e.clientX - r.left - pan.get()) / s.scale;
const y = (e.clientY - r.top) / s.scale;
const dx = x - s.lastX;
const fresh = e.timeStamp - s.lastT < 80;
s.lastX = x;
s.lastT = e.timeStamp;
if (!fresh || y < SLIT_Y || y > SLIT_Y + LEN + 20) return;
bodies.current.forEach((b, i) => {
if (b.mode !== "hang") return;
const lever = (y - SLIT_Y) / LEN;
const cx = FIRST_X + PITCH * i - Math.sin((b.a * Math.PI) / 180) * (y - SLIT_Y);
if (Math.abs(x - cx) < STRIP_W / 2 + 6) b.w = clamp(b.w + dx * 0.62 * lever, -150, 150);
});
};
const choose = (i: number) => {
hold.current.touched = true;
setFocus(i);
print(i);
};
const step = (d: number) => {
hold.current.touched = true;
setFocus((f) => clamp(f + d, 0, people.length - 1));
};
return (
<section aria-label={`The people of ${club}`} className="relative overflow-hidden bg-[#131110]">
<div aria-hidden="true" className="pointer-events-none absolute inset-0" style={{ backgroundImage: `${grain}, radial-gradient(85% 80% at 50% 30%, #4b433f 0%, #2b2623 48%, #110f0e 100%)`, backgroundSize: "5px 7px, 11px 13px, auto" }} />
<div ref={wrapRef} onPointerMove={onMove} onPointerEnter={() => (hold.current.over = true)} onPointerLeave={() => (hold.current.over = false)} className="relative w-full overflow-hidden" style={{ height: SCENE_H }}>
<motion.div className="absolute left-0 top-0" style={{ x: pan }}>
<div ref={sceneRef} className="relative origin-top-left" style={{ width: SCENE_W, height: SCENE_H }}>
<ul className="m-0 list-none p-0">
{people.map((p, i) => {
const cx = FIRST_X + PITCH * i;
const poses = p.poses.map((_, k) => p.poses[(k + turn[i]) % 4]);
const seen = new Set<number>();
return (
<li key={p.name}>
{/* everything below the slit; paper above it is still inside the machine */}
<div className="absolute" style={{ left: cx, top: SLIT_Y, width: 0, height: 0 }}>
<div className="absolute left-0 top-0" style={{ clipPath: "inset(0px -500px -900px -500px)" }}>
<div
ref={(el) => {
shadeRefs.current[i] = el;
}}
aria-hidden="true"
className="absolute rounded-[3px]"
style={{ left: -STRIP_W / 2 + 13, top: 4, width: STRIP_W, height: LEN, transformOrigin: `${STRIP_W / 2 - 13}px -4px`, transform: `rotate(${(bodies.current[i].a * 1.14 + 0.9).toFixed(2)}deg)`, background: "linear-gradient(180deg,rgba(0,0,0,0.5),rgba(0,0,0,0.7))", filter: "blur(9px)", willChange: "transform" }}
/>
<div
ref={(el) => {
stripRefs.current[i] = el;
}}
className="absolute rounded-[2px]"
style={{
left: -STRIP_W / 2,
top: 0,
width: STRIP_W,
height: LEN,
transformOrigin: "50% 0",
transform: `rotate(${bodies.current[i].a}deg)`,
willChange: "transform",
backgroundColor: "#f4efe3",
backgroundImage: "linear-gradient(90deg,rgba(0,0,0,0.1) 0%,rgba(0,0,0,0) 9%,rgba(255,255,255,0.5) 46%,rgba(0,0,0,0) 86%,rgba(0,0,0,0.14) 100%), linear-gradient(180deg,#e9e3d4 0%,#f8f4ea 12%,#f3eee1 70%,#fffdf6 100%)",
boxShadow: "0 0 0 0.5px rgba(0,0,0,0.35), 1px 1px 0 rgba(255,255,255,0.5) inset, -1px -1px 0 rgba(0,0,0,0.12) inset",
}}
>
<div className="absolute inset-x-[7px] top-[8px] flex flex-col" style={{ gap: GAP }}>
{poses.map((pose, k) => {
const shot = p.shots[pose.shot];
const first = !seen.has(pose.shot);
seen.add(pose.shot);
return (
<div key={k} className="relative overflow-hidden" style={{ height: FRAME_H, backgroundColor: p.tone }}>
<img
src={shot.src}
alt={first ? shot.alt : ""}
draggable={false}
className="h-full w-full object-cover"
style={{ objectPosition: pose.at, transformOrigin: pose.at, transform: `scale(${(pose.flip ? -1 : 1) * (pose.zoom ?? 1)}, ${pose.zoom ?? 1})` }}
/>
<div aria-hidden="true" className="absolute inset-0" style={{ boxShadow: "inset 0 0 0 1px rgba(0,0,0,0.18), inset 0 0 14px rgba(0,0,0,0.22)" }} />
</div>
);
})}
</div>
<div className="absolute inset-x-[8px] bottom-[7px]">
<p className="truncate font-mono text-[8px] font-bold uppercase leading-[1.25] tracking-[0.1em] text-[#1c1a17]">{p.name}</p>
<p className="flex justify-between font-mono text-[6.5px] uppercase leading-[1.3] tracking-[0.12em] text-[#4a463d]">
<span className="truncate">{p.role}</span>
<span aria-hidden="true">{String(417 + i * 6 + turn[i]).padStart(4, "0")}</span>
</p>
</div>
{/* gloss that slides across the emulsion as the strip leans */}
<div
aria-hidden="true"
className="absolute inset-0 rounded-[2px]"
style={{ backgroundImage: "linear-gradient(104deg,rgba(255,255,255,0) 34%,rgba(255,255,255,0.3) 46%,rgba(255,255,255,0.05) 52%,rgba(255,255,255,0) 62%)", backgroundSize: "320% 100%", backgroundPosition: "calc(50% + var(--lean, 0) * 5%) 0" }}
/>
<div aria-hidden="true" className="absolute inset-x-0 bottom-0 h-[90px] rounded-b-[2px]" style={{ background: "linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,0.16))" }} />
</div>
</div>
</div>
<button
type="button"
onClick={() => choose(i)}
aria-label={`Print ${p.name}'s strip again. ${p.role}`}
className="absolute rounded-[6px] focus:outline-none focus-visible:ring-2 focus-visible:ring-amber-300"
style={{ left: cx - STRIP_W / 2 - 8, top: 40, width: STRIP_W + 16, height: SLIT_Y - 40 + LEN + 10 }}
/>
</li>
);
})}
</ul>
{/* the fascia sits over the top of the paper */}
<div aria-hidden="true" className="pointer-events-none absolute rounded-[9px]" style={{ left: FIRST_X - 96, top: 36, width: PITCH * (people.length - 1) + 192, height: 88, background: "rgba(0,0,0,0.55)", filter: "blur(10px)", transform: "translateY(8px)" }} />
<div
aria-hidden="true"
className="pointer-events-none absolute rounded-[9px]"
style={{ left: FIRST_X - 96, top: 36, width: PITCH * (people.length - 1) + 192, height: 88, backgroundImage: steel, boxShadow: "inset 0 1px 0 rgba(255,255,255,0.95), inset 0 -2px 1px rgba(0,0,0,0.4), inset 1px 0 0 rgba(255,255,255,0.5), inset -1px 0 0 rgba(0,0,0,0.25), 0 1px 0 rgba(0,0,0,0.6)" }}
>
{[
[10, 10],
[10, 68],
].flatMap(([x, y]) =>
[0, 1].map((r) => (
<span key={`${y}-${r}`} className="absolute h-[10px] w-[10px] rounded-full" style={{ [r ? "right" : "left"]: x, top: y, background: "radial-gradient(circle at 35% 30%,#fff,#b1b7ba 50%,#5b6367)", boxShadow: "0 1px 1px rgba(0,0,0,0.5), inset 0 0 0 0.5px rgba(0,0,0,0.3)" }}>
<span className="absolute left-[1px] right-[1px] top-[4.5px] h-[1px] bg-black/50" style={{ transform: `rotate(${x + y + r * 50}deg)` }} />
</span>
)),
)}
{people.map((p, i) => (
<div key={p.name} className="absolute top-0 h-full" style={{ left: 96 + PITCH * i - PITCH / 2, width: PITCH }}>
<p className="absolute inset-x-0 top-[15px] text-center font-mono text-[10.5px] font-bold uppercase tracking-[0.16em] text-[#26292b]" style={{ textShadow: "0 1px 0 rgba(255,255,255,0.75)" }}>
{p.name.split(" ")[0]}
</p>
<p className="absolute inset-x-0 top-[31px] text-center font-mono text-[7px] uppercase tracking-[0.2em] text-[#3d4245]" style={{ textShadow: "0 1px 0 rgba(255,255,255,0.6)" }}>
{p.role}
</p>
<span
className="absolute left-[18px] top-[17px] h-[9px] w-[9px] rounded-full"
style={{
background: busy === i ? "radial-gradient(circle at 40% 35%,#fff6d8,#ffb21c 45%,#c26a00)" : "radial-gradient(circle at 40% 35%,#8a5a3a,#4a2412 55%,#2a1208)",
boxShadow: busy === i ? "0 0 10px 3px rgba(255,170,30,0.75), 0 0 0 1.5px #6f777b" : "0 0 0 1.5px #6f777b, inset 0 1px 1px rgba(0,0,0,0.6)",
}}
/>
{/* the slit, its pressed surround and felt lips */}
<div className="absolute bottom-[1px] left-1/2 h-[25px] w-[138px] -translate-x-1/2 rounded-t-[7px]" style={{ background: "linear-gradient(180deg,#8e9498,#b9bec1 40%,#d9dcdd)", boxShadow: "inset 0 2px 3px rgba(0,0,0,0.45), inset 0 -1px 0 rgba(255,255,255,0.6)" }}>
<div className="absolute bottom-0 left-1/2 h-[12px] w-[124px] -translate-x-1/2 rounded-t-[4px]" style={{ background: "linear-gradient(180deg,#000 0%,#0a0a0a 55%,#2a2624 100%)", boxShadow: "inset 0 3px 4px #000, 0 -1px 0 rgba(0,0,0,0.5)" }} />
</div>
</div>
))}
</div>
</div>
</motion.div>
</div>
<div className="pointer-events-none absolute inset-x-0 bottom-0 flex items-end justify-between gap-4 p-4 sm:p-7">
<p className="font-mono text-[10px] uppercase leading-relaxed tracking-[0.18em] text-stone-200 sm:text-[11px]">
<span className="font-bold">{club}</span>
<br />
<span className="text-stone-400">Press a strip to print it again</span>
</p>
<div className="pointer-events-auto flex gap-2 md:hidden">
<button type="button" onClick={() => step(-1)} aria-label="Move along the booth to the left" className="grid h-10 w-10 place-items-center rounded-full border border-white/25 bg-black/40 text-stone-100 focus:outline-none focus-visible:ring-2 focus-visible:ring-amber-300 active:scale-95">
<ChevronLeft aria-hidden="true" className="h-4 w-4" />
</button>
<button type="button" onClick={() => step(1)} aria-label="Move along the booth to the right" className="grid h-10 w-10 place-items-center rounded-full border border-white/25 bg-black/40 text-stone-100 focus:outline-none focus-visible:ring-2 focus-visible:ring-amber-300 active:scale-95">
<ChevronRight aria-hidden="true" className="h-4 w-4" />
</button>
</div>
</div>
</section>
);
}
Install with one command: npx shadcn@latest add https://we.inc/r/photo-booth-team-strips-that-feed-out-of-chrome-slots-in-four-clunks-then-hang-and-swing-on-the-panel.json
Every strip is a damped pendulum with an angle and an angular speed, stepped in one `requestAnimationFrame` loop that writes a `rotate` straight to the element. Two slow sine waves with a different phase per strip act as a draught. A pointer moving through a strip adds to its speed in proportion to how far the pointer travelled and how low on the paper it was, so a flick near the bottom sends it further than a brush near the slot.
A booth advances its paper one exposure at a time. While a strip is in `feed` mode a counter goes from one to four with a pause of about a third of a second between steps, and the paper eases to a quarter, a half, three quarters and then its full length. Each step also nudges the angle so the tongue of paper twitches.
Each strip lives in a wrapper positioned exactly at its slit with `clip-path: inset(0px -500px -900px -500px)`. That cuts off everything above the slit and nothing to the sides or below, so the strip can swing wide and fall off the bottom but can never be seen above the fascia.
No, two are enough and one will do. Point all four poses at the same shot and vary `zoom` between about 1.2 and 2.6 with a different `at` each time. Ask for the image at 900 pixels wide when a pose zooms past 2 so the crop stays sharp.
It stops. An `IntersectionObserver` and the page visibility event both gate the next frame request, and the loop restarts with a fresh clock when the booth comes back into view so nothing lurches.
Related: Staff Locker Wall Team Section with Steel Doors That Swing Open on a Taped Portrait and a Shelf of Belongings, Instant Camera That Ejects Photos You Shake to Develop.
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