diff --git a/src/scene/convert/mod.rs b/src/scene/convert/mod.rs
index 71c96cf35..9f8c7a434 100644
--- a/src/scene/convert/mod.rs
+++ b/src/scene/convert/mod.rs
@@ -18,6 +18,7 @@ pub mod acis_to_truck {
 }
 pub mod truck_tess;
 pub mod tessellate;
+pub(crate) mod tess;
 pub mod tess_util;
 pub mod solid3d_tess;
 pub mod spline_tess;
diff --git a/src/scene/tess.rs b/src/scene/convert/tess.rs
similarity index 99%
rename from src/scene/tess.rs
rename to src/scene/convert/tess.rs
index ebaa223ca..4a4a49aba 100644
--- a/src/scene/tess.rs
+++ b/src/scene/convert/tess.rs
@@ -1,5 +1,5 @@
 // Auto-split from scene/mod.rs. Pure text-move; behaviour unchanged.
-use super::*;
+use super::super::*;
 
 // ── Parallel tessellation free function ──────────────────────────────────────
 //
diff --git a/src/scene/mod.rs b/src/scene/mod.rs
index 216290a44..c6dc00dab 100644
--- a/src/scene/mod.rs
+++ b/src/scene/mod.rs
@@ -25,11 +25,11 @@ mod paper;
 mod preview;
 mod project;
 mod selection;
-mod tess;
 
-// Free functions moved into `tess` but still referenced unqualified by this
-// root and by sibling topic modules (each does `use super::*`).
-pub(crate) use tess::{
+// Parallel tessellation free functions live in `convert::tess` (alongside the
+// other tessellation code); re-exported here so this root and sibling topic
+// modules (each does `use super::*`) keep referencing them unqualified.
+pub(crate) use convert::tess::{
     entity_aabb, entity_world_aabb_f64, is_unindexable_entity, tessellate_entity,
     tessellate_entity_dim_text,
 };