diff --git a/lib/rbx_loader/src/union.rs b/lib/rbx_loader/src/union.rs
index 1324d46f..f11f375d 100644
--- a/lib/rbx_loader/src/union.rs
+++ b/lib/rbx_loader/src/union.rs
@@ -84,6 +84,15 @@ pub fn convert(
 			rbx_mesh::mesh_data::MeshData::CSGMDL(rbx_mesh::mesh_data::CSGMDL::CSGMDL2(mesh_data2))=>mesh_data2.mesh,
 			rbx_mesh::mesh_data::MeshData::CSGMDL(rbx_mesh::mesh_data::CSGMDL::CSGMDL4(mesh_data4))=>mesh_data4.mesh,
 		};
+		//autoscale to size, idk what roblox is doing with the graphics mesh size
+		let mut pos_min=glam::Vec3::MAX;
+		let mut pos_max=glam::Vec3::MIN;
+		for vertex in &graphics_mesh.vertices{
+			let p=vertex.pos.into();
+			pos_min=pos_min.min(p);
+			pos_max=pos_max.max(p);
+		}
+		let graphics_size=pos_max-pos_min;
 		for [MeshDataVertexId(vertex_id0),MeshDataVertexId(vertex_id1),MeshDataVertexId(vertex_id2)] in graphics_mesh.faces{
 			let face=[
 				graphics_mesh.vertices.get(vertex_id0 as usize).ok_or(Error::MissingVertexId(vertex_id0))?,
@@ -93,7 +102,8 @@ pub fn convert(
 			let mut normal_agreement_checker=MeshDataNormalChecker::new();
 			let face=face.into_iter().map(|vertex|{
 				normal_agreement_checker.check(vertex.normal_id);
-				let pos=mb.acquire_pos_id(vec3::try_from_f32_array(vertex.pos)?);
+				let pos=glam::Vec3::from_array(vertex.pos)/graphics_size;
+				let pos=mb.acquire_pos_id(vec3::try_from_f32_array(pos.to_array())?);
 				let normal=mb.acquire_normal_id(vec3::try_from_f32_array(vertex.norm)?);
 				let tex_coord=glam::Vec2::from_array(vertex.tex);
 				let maybe_face_description=&cube_face_description[vertex.normal_id as usize-1];