diff --git a/examples/renderer/19-affine-textures/README.txt b/examples/renderer/19-affine-textures/README.txt
new file mode 100644
index 0000000000..34e341b628
--- /dev/null
+++ b/examples/renderer/19-affine-textures/README.txt
@@ -0,0 +1,3 @@
+This example creates an SDL window and renderer, and uses
+SDL_RenderTextureAffine to draw a 3D cube using only 2D rendering operations.
+
diff --git a/examples/renderer/19-affine-textures/affine-textures.c b/examples/renderer/19-affine-textures/affine-textures.c
index 96a661c97a..6c5ccbf82b 100644
--- a/examples/renderer/19-affine-textures/affine-textures.c
+++ b/examples/renderer/19-affine-textures/affine-textures.c
@@ -85,7 +85,7 @@ SDL_AppResult SDL_AppIterate(void *appstate)
     const float px = SDL_min(WINDOW_WIDTH, WINDOW_HEIGHT) / SDL_sqrtf(3.0f);
 
     const Uint64 now = SDL_GetTicks();
-    const float rad = (((float) ((int) (now % 4000))) / 4000.0f) * SDL_PI_F * 2;
+    const float rad = (((float) ((int) (now % 2000))) / 2000.0f) * SDL_PI_F * 2;
     const float cos = SDL_cosf(rad);
     const float sin = SDL_sinf(rad);
     const float k[3] = { 3.0f / SDL_sqrtf(50.0f), 4.0f / SDL_sqrtf(50.0f), 5.0f / SDL_sqrtf(50.0f)};
diff --git a/examples/renderer/19-affine-textures/onmouseover.webp b/examples/renderer/19-affine-textures/onmouseover.webp
new file mode 100644
index 0000000000..31e450d2e2
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diff --git a/examples/renderer/19-affine-textures/thumbnail.png b/examples/renderer/19-affine-textures/thumbnail.png
new file mode 100644
index 0000000000..a81265b884
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