diff --git a/icons/favicon.ico b/icons/favicon.ico
new file mode 100644
index 0000000..b59c733
Binary files /dev/null and b/icons/favicon.ico differ
diff --git a/icons/icon-1024.png b/icons/icon-1024.png
new file mode 100644
index 0000000..483cba4
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diff --git a/icons/icon-16.png b/icons/icon-16.png
new file mode 100644
index 0000000..f6565a5
Binary files /dev/null and b/icons/icon-16.png differ
diff --git a/icons/icon-180.png b/icons/icon-180.png
new file mode 100644
index 0000000..4b0de9b
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diff --git a/icons/icon-256.png b/icons/icon-256.png
new file mode 100644
index 0000000..b07b968
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diff --git a/icons/icon-32.png b/icons/icon-32.png
new file mode 100644
index 0000000..8ace4d7
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diff --git a/icons/icon-48.png b/icons/icon-48.png
new file mode 100644
index 0000000..3ca0775
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diff --git a/icons/icon-512.png b/icons/icon-512.png
new file mode 100644
index 0000000..6721fa0
Binary files /dev/null and b/icons/icon-512.png differ
diff --git a/icons/source-flat.svg b/icons/source-flat.svg
new file mode 100644
index 0000000..375c0d1
--- /dev/null
+++ b/icons/source-flat.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <rect width="1024" height="1024" rx="224" fill="#583828"/>
+  <path d="M164 533 H352 L433 200 L540 840 L655 533 H859"
+        fill="none" stroke="#f0ede8" stroke-width="74"
+        stroke-linecap="square" stroke-linejoin="miter"/>
+</svg>
\ No newline at end of file
diff --git a/icons/source-leather.png b/icons/source-leather.png
new file mode 100644
index 0000000..ca02b26
Binary files /dev/null and b/icons/source-leather.png differ
diff --git a/icons/source-small.svg b/icons/source-small.svg
new file mode 100644
index 0000000..b9a31eb
--- /dev/null
+++ b/icons/source-small.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <rect width="1024" height="1024" rx="224" fill="#583828"/>
+  <path d="M180 520 H420 L512 250 L604 790 L700 520 H844"
+        fill="none" stroke="#f0ede8" stroke-width="132"
+        stroke-linecap="square" stroke-linejoin="miter"/>
+</svg>
\ No newline at end of file
diff --git a/tools/make_icons.py b/tools/make_icons.py
index 1f096b5..1ab4c1d 100644
--- a/tools/make_icons.py
+++ b/tools/make_icons.py
@@ -61,21 +61,29 @@ def main():
     ap = argparse.ArgumentParser()
     ap.add_argument("source", help="square-ish .svg or .png/.jpg mark")
     ap.add_argument("--out-dir", default="icons")
+    ap.add_argument("--small-from", default="",
+                    help="optional simpler source used for 16/32/48 and the .ico, "
+                         "because fine detail dies at tab size")
+    ap.add_argument("--small-max", type=int, default=48)
     args = ap.parse_args()
 
     if not os.path.exists(args.source):
         sys.exit(f"no such file: {args.source}")
 
     master = load_square(args.source)
+    small = load_square(args.small_from) if args.small_from else None
     os.makedirs(args.out_dir, exist_ok=True)
     for size in SIZES:
+        src = small if (small and size <= args.small_max) else master
         out = os.path.join(args.out_dir, f"icon-{size}.png")
-        master.resize((size, size), RESAMPLE).save(out)
-        print(f"  {out}")
+        src.resize((size, size), RESAMPLE).save(out)
+        print(f"  {out}{'  (simplified)' if src is small else ''}")
 
     ico_path = os.path.join(args.out_dir, "favicon.ico")
-    master.resize((256, 256), RESAMPLE).save(ico_path, sizes=[(s, s) for s in ICO_SIZES])
-    print(f"  {ico_path}  ({', '.join(str(s) for s in ICO_SIZES)})")
+    (small or master).resize((256, 256), RESAMPLE).save(
+        ico_path, sizes=[(s, s) for s in ICO_SIZES])
+    print(f"  {ico_path}  ({', '.join(str(s) for s in ICO_SIZES)})"
+          f"{'  (simplified)' if small else ''}")
 
     print(f"\n{len(SIZES) + 1} files in {args.out_dir}/")
     print("upload icon-512.png as the org avatar on both forges; the rest ship with the app")