Amber Mesh

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500" width="100%"><defs><pattern id="blob-pattern" patternUnits="userSpaceOnUse" width="20" height="20"><path d="M7.5 3H12.5V7.5H17V12.5H12.5V17H7.5V12.5H3V7.5H7.5Z" fill="#f59e0b" fill-rule="evenodd"/></pattern></defs><path d="M443,274Q397,298,416,341Q435,384,413,414.5Q391,445,357,459.5Q323,474,286.5,461.5Q250,449,222.5,433.5Q195,418,164.5,414Q134,410,101,396Q68,382,66,346Q64,310,65,280Q66,250,53,216Q40,182,75.5,165.5Q111,149,125,123Q139,97,163.5,78.5Q188,60,219,31Q250,2,277,43.5Q304,85,347.5,70Q391,55,403,92.5Q415,130,424,160.5Q433,191,461,220.5Q489,250,443,274Z" fill="url(#blob-pattern)"/></svg>

.blob {
  width: 500px;
  height: 500px;
  clip-path: path("M443,274Q397,298,416,341Q435,384,413,414.5Q391,445,357,459.5Q323,474,286.5,461.5Q250,449,222.5,433.5Q195,418,164.5,414Q134,410,101,396Q68,382,66,346Q64,310,65,280Q66,250,53,216Q40,182,75.5,165.5Q111,149,125,123Q139,97,163.5,78.5Q188,60,219,31Q250,2,277,43.5Q304,85,347.5,70Q391,55,403,92.5Q415,130,424,160.5Q433,191,461,220.5Q489,250,443,274Z");
}

/**
 * Blob — generated by blobs.app.
 *
 * Drop this file into your project and render <Blob /> anywhere.
 */
import { useId } from 'react';

export interface BlobProps {
  /** Rendered width and height. A number is treated as px. Defaults to 100%. */
  size?: number | string;
  /** Class name for the root svg element. */
  className?: string;
  /** Accessible name. Without it the graphic is hidden from assistive tech. */
  title?: string;
}

export function Blob({ size = '100%', className, title }: BlobProps) {
  // Unique per instance, so two blobs on one page never share a def id.
  const uid = useId().replace(/[^a-zA-Z0-9]/g, '');
  const titleId = `blob-title-${uid}`;
  const patternId = `blob-pattern-${uid}`;

  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      viewBox="0 0 500 500"
      width={size}
      height={size}
      className={className}
      role={title ? 'img' : undefined}
      aria-labelledby={title ? titleId : undefined}
      aria-hidden={title ? undefined : true}
    >
      {title ? <title id={titleId}>{title}</title> : null}
      <defs>
        <pattern id={patternId} patternUnits="userSpaceOnUse" width="20" height="20">
          <path d="M7.5 3H12.5V7.5H17V12.5H12.5V17H7.5V12.5H3V7.5H7.5Z" fill="#f59e0b" fillRule="evenodd" />
        </pattern>
      </defs>
      <path
        d="M443,274Q397,298,416,341Q435,384,413,414.5Q391,445,357,459.5Q323,474,286.5,461.5Q250,449,222.5,433.5Q195,418,164.5,414Q134,410,101,396Q68,382,66,346Q64,310,65,280Q66,250,53,216Q40,182,75.5,165.5Q111,149,125,123Q139,97,163.5,78.5Q188,60,219,31Q250,2,277,43.5Q304,85,347.5,70Q391,55,403,92.5Q415,130,424,160.5Q433,191,461,220.5Q489,250,443,274Z"
        fill={`url(#${patternId})`}
      />
    </svg>
  );
}

export default Blob;

// Generated by blobs.app.
//
// Paint the blob:
//   CustomPaint(painter: BlobPainter(), size: const Size(300, 300))
//
// Or clip a widget to it:
//   ClipPath(clipper: BlobClipper(), child: child)

import 'dart:ui' as ui;

import 'package:flutter/material.dart';

/// The blob outline, scaled from its 500x500 design space to [size].
Path buildBlobPath(Size size) {
  final double sx = size.width / 500.0;
  final double sy = size.height / 500.0;
  final Path path = Path();
  path.moveTo(443.0 * sx, 274.0 * sy);
  path.quadraticBezierTo(397.0 * sx, 298.0 * sy, 416.0 * sx, 341.0 * sy);
  path.quadraticBezierTo(435.0 * sx, 384.0 * sy, 413.0 * sx, 414.5 * sy);
  path.quadraticBezierTo(391.0 * sx, 445.0 * sy, 357.0 * sx, 459.5 * sy);
  path.quadraticBezierTo(323.0 * sx, 474.0 * sy, 286.5 * sx, 461.5 * sy);
  path.quadraticBezierTo(250.0 * sx, 449.0 * sy, 222.5 * sx, 433.5 * sy);
  path.quadraticBezierTo(195.0 * sx, 418.0 * sy, 164.5 * sx, 414.0 * sy);
  path.quadraticBezierTo(134.0 * sx, 410.0 * sy, 101.0 * sx, 396.0 * sy);
  path.quadraticBezierTo(68.0 * sx, 382.0 * sy, 66.0 * sx, 346.0 * sy);
  path.quadraticBezierTo(64.0 * sx, 310.0 * sy, 65.0 * sx, 280.0 * sy);
  path.quadraticBezierTo(66.0 * sx, 250.0 * sy, 53.0 * sx, 216.0 * sy);
  path.quadraticBezierTo(40.0 * sx, 182.0 * sy, 75.5 * sx, 165.5 * sy);
  path.quadraticBezierTo(111.0 * sx, 149.0 * sy, 125.0 * sx, 123.0 * sy);
  path.quadraticBezierTo(139.0 * sx, 97.0 * sy, 163.5 * sx, 78.5 * sy);
  path.quadraticBezierTo(188.0 * sx, 60.0 * sy, 219.0 * sx, 31.0 * sy);
  path.quadraticBezierTo(250.0 * sx, 2.0 * sy, 277.0 * sx, 43.5 * sy);
  path.quadraticBezierTo(304.0 * sx, 85.0 * sy, 347.5 * sx, 70.0 * sy);
  path.quadraticBezierTo(391.0 * sx, 55.0 * sy, 403.0 * sx, 92.5 * sy);
  path.quadraticBezierTo(415.0 * sx, 130.0 * sy, 424.0 * sx, 160.5 * sy);
  path.quadraticBezierTo(433.0 * sx, 191.0 * sy, 461.0 * sx, 220.5 * sy);
  path.quadraticBezierTo(489.0 * sx, 250.0 * sy, 443.0 * sx, 274.0 * sy);
  path.close();
  return path;
}

class BlobPainter extends CustomPainter {
  const BlobPainter();

  @override
  void paint(Canvas canvas, Size size) {
    final Path path = buildBlobPath(size);
    // Pattern and image fills are not supported in this exporter; use the SVG export.
    final Paint paint = Paint()
      ..isAntiAlias = true
      ..color = const Color(0xFFF59E0B);
    canvas.drawPath(path, paint);
  }

  @override
  bool shouldRepaint(covariant BlobPainter oldDelegate) => false;
}

/// Clips any widget to the same shape: ClipPath(clipper: BlobClipper(), ...).
class BlobClipper extends CustomClipper<Path> {
  const BlobClipper();

  @override
  Path getClip(Size size) => buildBlobPath(size);

  @override
  bool shouldReclip(covariant CustomClipper<Path> oldClipper) => false;
}