diff --git a/tools/src/main.rs b/tools/src/main.rs
index 3e4bdb7..d90421b 100644
--- a/tools/src/main.rs
+++ b/tools/src/main.rs
@@ -10,7 +10,8 @@ use openexr::core::frame_buffer::{FrameBuffer, Slice};
 use openexr::core::header::Header;
 use openexr::core::output_file::OutputFile;
 use openexr::core::{Compression, PixelType};
-use pointcache::{MDDFrame, MDDSeekableFile, Point, PointCache};
+use pointcache::{AnimationInfo, MDDFrame, MDDSeekableFile, Point, PointCache};
+use std::io::Write;
 use std::{error::Error, fs::File};
 
 pub const MAX_IMAGE_DIM: usize = 16384;
@@ -106,6 +107,17 @@ fn write_point_image(
     Ok(())
 }
 
+// Not used because blender always starts frame frame zero so this info is useless
+fn write_animation_info(filename: &str, info: AnimationInfo) -> Result<(), Box<dyn Error>> {
+    let data = format!(
+        "{{ \"total_frames\": {}, \"total_points\": {}, \"start_frame\": {}, \"end_frame\": {}, \"fps\": {} }}\n",
+        info.total_frames, info.total_points, info.start_frame, info.end_frame, info.fps
+    );
+    let mut file = File::create(filename)?;
+    file.write_all(data.as_bytes())?;
+    Ok(())
+}
+
 #[derive(Debug, Clone, Copy)]
 enum PointState {
     Unseen,
@@ -164,12 +176,7 @@ fn main() {
 
     let mask: Vec<f32> = mask_last.iter().map(PointState::mask_value).collect();
 
-    write_mask_image(
-        &(basename.clone() + "_mask.exr"),
-        &mask,
-        info.total_points,
-    )
-    .unwrap();
+    write_mask_image(&(basename.clone() + "_mask.exr"), &mask, info.total_points).unwrap();
 
     let mut pixels: Vec<Point> = Vec::with_capacity(total_varying * (info.total_frames));
 
@@ -205,7 +212,7 @@ fn main() {
     }
 
     write_point_image(
-        &(basename + ".exr"),
+        &(basename.clone() + ".exr"),
         &pixels,
         total_varying,
         info.total_frames,