diff --git a/tools/editor/main.cpp b/tools/editor/main.cpp
index 10a55f5e..275351b7 100644
--- a/tools/editor/main.cpp
+++ b/tools/editor/main.cpp
@@ -537,6 +537,8 @@ static void printUsage(const char* argv0) {
     std::printf("                         Synthesize a two-color stripe pattern (default 16px diagonal, 256x256)\n");
     std::printf("  --gen-texture-dots <out.png> <bgHex> <dotHex> [dotRadius] [spacing] [W H]\n");
     std::printf("                         Synthesize a polka-dot pattern (default radius 8, spacing 32, 256x256)\n");
+    std::printf("  --gen-texture-rings <out.png> <colorAHex> <colorBHex> [ringPx] [W H]\n");
+    std::printf("                         Synthesize concentric ring pattern (target/seal style; default 16px rings, 256x256)\n");
     std::printf("  --add-texture-to-zone <zoneDir> <png-path> [renameTo]\n");
     std::printf("                         Copy an existing PNG into <zoneDir> (optionally renaming it on the way in)\n");
     std::printf("  --gen-mesh <wom-base> <cube|plane|sphere|cylinder|torus|cone|ramp> [size]\n");
@@ -1022,6 +1024,7 @@ int main(int argc, char* argv[]) {
         "--smooth-mesh-normals",
         "--merge-meshes",
         "--gen-texture-radial", "--gen-texture-stripes", "--gen-texture-dots",
+        "--gen-texture-rings",
         "--validate-glb", "--info-glb", "--info-glb-tree", "--info-glb-bytes",
         "--validate-jsondbc", "--check-glb-bounds", "--validate-stl",
         "--validate-png", "--validate-blp",
@@ -17312,6 +17315,104 @@ int main(int argc, char* argv[]) {
             std::printf("  radius    : %d px\n", radius);
             std::printf("  spacing   : %d px\n", spacing);
             return 0;
+        } else if (std::strcmp(argv[i], "--gen-texture-rings") == 0 && i + 3 < argc) {
+            // Concentric rings centered on the image. Useful for
+            // archery targets, magic seal floors, dartboards, hypnosis
+            // visuals — anywhere a "circular alternation" reads as
+            // intentional design.
+            std::string outPath = argv[++i];
+            std::string aHex = argv[++i];
+            std::string bHex = argv[++i];
+            int ringPx = 16;
+            int W = 256, H = 256;
+            if (i + 1 < argc && argv[i + 1][0] != '-') {
+                try { ringPx = std::stoi(argv[++i]); } catch (...) {}
+            }
+            if (i + 1 < argc && argv[i + 1][0] != '-') {
+                try { W = std::stoi(argv[++i]); } catch (...) {}
+            }
+            if (i + 1 < argc && argv[i + 1][0] != '-') {
+                try { H = std::stoi(argv[++i]); } catch (...) {}
+            }
+            if (W < 1 || H < 1 || W > 8192 || H > 8192 ||
+                ringPx < 1 || ringPx > 4096) {
+                std::fprintf(stderr,
+                    "gen-texture-rings: invalid dims (W/H 1..8192, ringPx 1..4096)\n");
+                return 1;
+            }
+            auto parseHex = [](std::string hex,
+                                uint8_t& r, uint8_t& g, uint8_t& b) -> bool {
+                std::transform(hex.begin(), hex.end(), hex.begin(),
+                               [](unsigned char c) { return std::tolower(c); });
+                if (!hex.empty() && hex[0] == '#') hex.erase(0, 1);
+                auto fromHexC = [](char c) -> int {
+                    if (c >= '0' && c <= '9') return c - '0';
+                    if (c >= 'a' && c <= 'f') return 10 + c - 'a';
+                    return -1;
+                };
+                int v[6];
+                if (hex.size() == 6) {
+                    for (int k = 0; k < 6; ++k) {
+                        v[k] = fromHexC(hex[k]);
+                        if (v[k] < 0) return false;
+                    }
+                    r = static_cast<uint8_t>((v[0] << 4) | v[1]);
+                    g = static_cast<uint8_t>((v[2] << 4) | v[3]);
+                    b = static_cast<uint8_t>((v[4] << 4) | v[5]);
+                    return true;
+                }
+                if (hex.size() == 3) {
+                    for (int k = 0; k < 3; ++k) {
+                        v[k] = fromHexC(hex[k]);
+                        if (v[k] < 0) return false;
+                    }
+                    r = static_cast<uint8_t>((v[0] << 4) | v[0]);
+                    g = static_cast<uint8_t>((v[1] << 4) | v[1]);
+                    b = static_cast<uint8_t>((v[2] << 4) | v[2]);
+                    return true;
+                }
+                return false;
+            };
+            uint8_t ra, ga, ba, rb, gb, bb;
+            if (!parseHex(aHex, ra, ga, ba)) {
+                std::fprintf(stderr,
+                    "gen-texture-rings: '%s' is not a valid hex color\n",
+                    aHex.c_str());
+                return 1;
+            }
+            if (!parseHex(bHex, rb, gb, bb)) {
+                std::fprintf(stderr,
+                    "gen-texture-rings: '%s' is not a valid hex color\n",
+                    bHex.c_str());
+                return 1;
+            }
+            std::vector<uint8_t> pixels(static_cast<size_t>(W) * H * 3, 0);
+            float cx = (W - 1) * 0.5f;
+            float cy = (H - 1) * 0.5f;
+            for (int y = 0; y < H; ++y) {
+                for (int x = 0; x < W; ++x) {
+                    float dx = x - cx;
+                    float dy = y - cy;
+                    float d = std::sqrt(dx * dx + dy * dy);
+                    bool isA = (static_cast<int>(d / ringPx) & 1) == 0;
+                    size_t i2 = (static_cast<size_t>(y) * W + x) * 3;
+                    pixels[i2 + 0] = isA ? ra : rb;
+                    pixels[i2 + 1] = isA ? ga : gb;
+                    pixels[i2 + 2] = isA ? ba : bb;
+                }
+            }
+            if (!stbi_write_png(outPath.c_str(), W, H, 3,
+                                pixels.data(), W * 3)) {
+                std::fprintf(stderr,
+                    "gen-texture-rings: stbi_write_png failed for %s\n",
+                    outPath.c_str());
+                return 1;
+            }
+            std::printf("Wrote %s\n", outPath.c_str());
+            std::printf("  size      : %dx%d\n", W, H);
+            std::printf("  ring px   : %d\n", ringPx);
+            std::printf("  colors    : %s + %s\n", aHex.c_str(), bHex.c_str());
+            return 0;
         } else if (std::strcmp(argv[i], "--gen-mesh") == 0 && i + 2 < argc) {
             // Synthesize a procedural primitive WOM. Generates proper
             // per-face normals, planar UVs, a bounding box, and a