diff --git a/cli/src/template/all.ts b/cli/src/template/all.ts
index 17536b41..75d441a7 100644
--- a/cli/src/template/all.ts
+++ b/cli/src/template/all.ts
@@ -33,6 +33,7 @@ import wallpaperDotGrid from './wallpaper-dot-grid.js';
 import wallpaperOctagon from './wallpaper-octagon.js';
 import wallpaperShirts from './wallpaper-shirts.js';
 import wallpaperTriangles from './wallpaper-triangles.js';
+import wallpaperTbd from './wallpaper-tbd.js';
 import warp from './warp.js';
 import windowsTerminal from './windows-terminal.js';
 import wox from './wox.js';
@@ -74,6 +75,7 @@ const BUILT_IN_TEMPLATE_IDENTIFIERS = [
   'wallpaper-octagon',
   'wallpaper-shirts',
   'wallpaper-triangles',
+  'wallpaper-tbd',
   'warp',
   'windows-terminal',
   'wox',
@@ -158,6 +160,8 @@ export function resolveTemplate(
       return wallpaperShirts;
     case 'wallpaper-triangles':
       return wallpaperTriangles;
+    case 'wallpaper-tbd':
+      return wallpaperTbd;
     case 'warp':
       return warp;
     case 'windows-terminal':
diff --git a/cli/src/template/wallpaper-tbd.ts b/cli/src/template/wallpaper-tbd.ts
new file mode 100644
index 00000000..6a923dee
--- /dev/null
+++ b/cli/src/template/wallpaper-tbd.ts
@@ -0,0 +1,73 @@
+import { listOutputFiles, Template } from './index.js';
+import { colorSetToVariants } from '../color-set/index.js';
+import { scalePow } from 'd3-scale';
+import { Perlin2 } from 'tumult';
+import { source } from 'common-tags';
+// import memoize from 'lodash/memoize.js';
+
+const template: Template = {
+  name: 'TBD wallpaper',
+  render: async function* (colorSet, options) {
+    const variants = colorSetToVariants(colorSet);
+    for (const variant of variants) {
+      // const getShade = memoize((rand: number) => {
+      //   // interpolate the shades here.
+      //   // 0 => shade0
+      //   // 1 -> shade7
+      // })
+      const getShade = scalePow()
+        .domain([0, 1])
+        .range([
+          variant.colors.shade0 as unknown as number,
+          variant.colors.shade1 as unknown as number,
+          variant.colors.shade2 as unknown as number,
+          variant.colors.shade3 as unknown as number,
+          variant.colors.shade4 as unknown as number,
+          variant.colors.shade5 as unknown as number,
+          variant.colors.shade6 as unknown as number,
+          variant.colors.shade7 as unknown as number,
+        ])
+        .exponent(2 / 3)
+        .clamp(true);
+      for (const size of options.wallpaperSizes) {
+        const patternSize = size.w / Math.round(size.w / 36);
+
+        const perlin = new Perlin2();
+        const denominator = (Math.min(size.w, size.h) / patternSize) * 21;
+        const blocks = [];
+        for (let i = 0; i < size.h; i += patternSize) {
+          for (let j = 0; j < size.w; j += patternSize) {
+            const rand = perlin.gen(j / denominator, i / denominator);
+            blocks.push(source`
+              <rect
+                x="${j}"
+                y="${i}"
+                width="${patternSize}"
+                height="${patternSize}"
+                fill="${getShade(rand)}"
+              />
+            `);
+          }
+        }
+
+        const svg = source`
+          <svg
+            xmlns="http://www.w3.org/2000/svg"
+            width="${size.w}"
+            height="${size.h}"
+            viewBox="0 0 ${size.w} ${size.h}"
+          >
+            ${blocks}
+          </svg>
+        `;
+        yield {
+          path: `${variant.title.kebab}-${size.w}x${size.h}.svg`,
+          content: svg,
+        };
+      }
+    }
+  },
+  renderInstructions: listOutputFiles,
+};
+
+export default template;