diff --git a/src/pages/Index.tsx b/src/pages/Index.tsx
index e0cd98e..5e167fb 100644
--- a/src/pages/Index.tsx
+++ b/src/pages/Index.tsx
@@ -37,7 +37,7 @@ const Index = () => {
 
     if (ext === 'glb') {
       const url = URL.createObjectURL(file);
-      setModel({ fileName: file.name, fileSize: file.size, url });
+      addModel({ fileName: file.name, fileSize: file.size, url });
       toast.success(`Modelo "${file.name}" carregado com sucesso!`);
       return;
     }
@@ -53,7 +53,7 @@ const Index = () => {
         result = await convertToGLB(buffer, ext, file.name);
       }
       const url = URL.createObjectURL(result.blob);
-      setModel({ fileName: result.fileName, fileSize: result.fileSize, url });
+      addModel({ fileName: result.fileName, fileSize: result.fileSize, url });
       toast.success(`"${file.name}" convertido para GLB e carregado!`);
     } catch (err) {
       console.error(err);
@@ -61,7 +61,7 @@ const Index = () => {
     } finally {
       setConverting(false);
     }
-  }, [setModel]);
+  }, [addModel]);
 
   // Carregar da Nuvem agora é encapsulado em <CloudLoader />
 
@@ -72,7 +72,7 @@ const Index = () => {
       const buffer = await response.arrayBuffer();
       const result = await convertIFCtoGLB(buffer, 'demo250hp.ifc');
       const url = URL.createObjectURL(result.blob);
-      setModel({ fileName: result.fileName, fileSize: result.fileSize, url });
+      addModel({ fileName: result.fileName, fileSize: result.fileSize, url });
       toast.success('Modelo demo "250 HP" (IFC) carregado!');
     } catch (err) {
       console.error(err);
@@ -80,7 +80,7 @@ const Index = () => {
     } finally {
       setLoadingDemoIFC(false);
     }
-  }, [setModel]);
+  }, [addModel]);
 
   const handleLoadDemoCotovelo = useCallback(async () => {
     setLoadingDemoCotovelo(true);
@@ -89,7 +89,7 @@ const Index = () => {
       const buffer = await response.arrayBuffer();
       const result = await convertIFCtoGLB(buffer, 'B126-COTOVELO.ifc');
       const url = URL.createObjectURL(result.blob);
-      setModel({ fileName: result.fileName, fileSize: result.fileSize, url });
+      addModel({ fileName: result.fileName, fileSize: result.fileSize, url });
       toast.success('Modelo demo "B126 Cotovelo" (IFC) carregado!');
     } catch (err) {
       console.error(err);
@@ -97,7 +97,7 @@ const Index = () => {
     } finally {
       setLoadingDemoCotovelo(false);
     }
-  }, [setModel]);
+  }, [addModel]);
 
   const handleEnterViewer = () => {
     if (!model) {