diff --git a/.gitignore b/.gitignore
index 0935bf7..7a92ebf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,14 @@
 .godot/
 /android/
 
+# Godot UID sidecar files (auto-generated, machine-local)
+*.uid
+
 # JetBrains IDE — contains absolute paths (Godot binary, SDK dirs), varies per user
 .idea/
+
+# Blender render previews (generated by render_anim_preview.py)
+Blender/preview/
+
+# Test output (generated screenshots, frame strips)
+tests/output/