props

AnimationDirector.js

@@ -4001,7 +4001,12 @@
     const explicit = model.display?.[context];
     const data = explicit || (slot === 'left' ? model.display?.thirdperson_righthand : null) || {};
     const rotation = v3(data.rotation), translation = v3(data.translation), scale = v3(data.scale, 1);
-    if (slot === 'left' && !explicit) { translation[0] *= -1; rotation[1] *= -1; rotation[2] *= -1; }
+    // Minecraft mirrors the selected display transform for left-hand rendering.
+    if (slot === 'left') {
+      translation[0] = -translation[0] || 0;
+      rotation[1] = -rotation[1] || 0;
+      rotation[2] = -rotation[2] || 0;
+    }
     return { rotation, translation, scale };
   }
 
@@ -4223,8 +4228,6 @@
           centered.add(new THREE.Mesh(geometry, material));
         }
       }
-      // GeckoLib -> Blockbench coordinate conversion mirrors model X, including attached items.
-      root.scale.x = -1;
       return root;
     } catch (error) { disposePropMesh(root); throw error; }
   }