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Clever Ops

Kiln Cone

Pyrometric cones slump as heat work accumulates, the firing cone's bend tracks a 0-100 progress prop until its tip touches at 100. React SVG preloader on Tailwind tokens, live percent.

Preview & code

Loading Kiln Cone preview

Installation

pnpm dlx shadcn@latest add @cleverui/loader-kiln-cone

Requires the @cleverui registry in your components.json, a one-off, two-line setup.

Usage

tsx
import { LoaderKilnCone } from '@/components/ui/loader-kiln-cone'
Exampletsx
'use client'

import { useEffect, useState } from 'react'
import { useReducedMotion } from 'motion/react'
import { LoaderKilnCone } from '@/components/ui/loader-kiln-cone'

export default function LoaderKilnConeDemo() {
  const reduced = useReducedMotion()
  const [progress, setProgress] = useState(5)

  useEffect(() => {
    if (reduced) {
      setProgress(66)
      return
    }
    const start = performance.now()
    let raf = 0
    const tick = (now: number) => {
      const t = Math.min(1, (now - start) / 9500)
      const eased = 1 - Math.pow(1 - t, 2.15)
      setProgress(5 + eased * 95)
      if (t < 1) raf = requestAnimationFrame(tick)
    }
    raf = requestAnimationFrame(tick)
    return () => cancelAnimationFrame(raf)
  }, [reduced])

  return (
    <div className="mx-auto flex w-full max-w-5xl flex-col gap-10 px-4 py-10 sm:px-6">
      <div className="overflow-hidden rounded-2xl border border-border/60">
        <LoaderKilnCone
          progress={progress}
          caption="CONE 06 · STONEWARE"
          label="Firing kiln"
        />
      </div>
      <div className="overflow-hidden rounded-2xl border border-border/60">
        <LoaderKilnCone
          caption="CONE 6 · PORCELAIN"
          label="Continuous firings"
          speed={1}
        />
      </div>
    </div>
  )
}

API reference

LoaderKilnCone accepts the following props.

PropTypeDefaultDescription
progressnumberdeterminate 0-100, bend of the firing cone. Omit for indeterminate continuous firings
captionstring'CONE 06 · STONEWARE'mono micro-label beside the readout
labelstring'Loading'seeds the aria announcement text
speednumber1indeterminate firing rate multiplier

…plus everything from React.HTMLAttributes<HTMLDivElement>: className, event handlers, aria attributes and the rest pass straight through.

Frequently asked questions

How do I install the Kiln Cone component?

Register the @cleverui registry in your components.json ("@cleverui": "https://cleverops.com.au/r/{name}.json"), then run `npx shadcn@latest add @cleverui/loader-kiln-cone`. The shadcn CLI copies the source into your project, you own the code from that point. You can also copy the source directly from this page.

What dependencies does Kiln Cone require?

Kiln Cone uses motion on top of React and Tailwind CSS. You don't need to install it manually, the shadcn CLI resolves and installs npm dependencies automatically when you add the component.

Can I theme Kiln Cone to match my brand?

Yes. The component is styled entirely with Tailwind utilities over standard design tokens (primary, background, muted, border), so it inherits your existing shadcn/ui theme automatically. Change your CSS variables and the component follows, no source edits needed for palette, radius, or fonts.

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