diff --git a/world/examples/water.rs b/world/examples/water.rs
index 13d8e8b6f8..f59e242abf 100644
--- a/world/examples/water.rs
+++ b/world/examples/water.rs
@@ -47,8 +47,9 @@ fn main() {
         WorldOpts {
             seed_elements: false,
             world_file: sim::FileOpts::LoadAsset(veloren_world::sim::DEFAULT_WORLD_MAP.into()),
-            /* world_file: sim::FileOpts::Load(_map_file),
-             * world_file: sim::FileOpts::Save(sim::SizeOpts::default()), */
+            // world_file: sim::FileOpts::Load(_map_file),
+            // world_file: sim::FileOpts::Save(sim::SizeOpts::default()),
+            // world_file: sim::FileOpts::Save(sim::SizeOpts::new(12, 12, 4.0)),
             calendar: None,
         },
         &threadpool,
diff --git a/world/src/sim/mod.rs b/world/src/sim/mod.rs
index bf9d7becb6..f36d3a0640 100644
--- a/world/src/sim/mod.rs
+++ b/world/src/sim/mod.rs
@@ -143,6 +143,10 @@ pub struct SizeOpts {
     scale: f64,
 }
 
+impl SizeOpts {
+    pub fn new(x_lg: u32, y_lg: u32, scale: f64) -> Self { Self { x_lg, y_lg, scale } }
+}
+
 impl Default for SizeOpts {
     fn default() -> Self {
         Self {