diff --git a/jsm/TetraGUI.js b/jsm/TetraGUI.js
index 2724ff0..544d60d 100644
--- a/jsm/TetraGUI.js
+++ b/jsm/TetraGUI.js
@@ -43,19 +43,23 @@ export class TetraGUI extends GUI {
                         texture.repeat.set(2, 1)
                     })
                     loadingManager.onLoad = function() {
-                        scene.vortex.darkCylinder.material.map = darkTexture
-                        scene.vortex.darkCylinder.material.opacity = 0.055
-                        scene.vortex.colorFullCylinder.material.map = colorfullTexture
-                        scene.vortex.colorFullCylinder.material.opacity = 0.7
+                        scene.vortex.darkCylinder.material.map          = darkTexture
+                        scene.vortex.darkCylinder.material.opacity      = 0.055
+                        scene.vortex.colorFullCylinder.material.map     = colorfullTexture
+                        scene.vortex.colorFullCylinder.material.opacity = 0.6
                         
-                        scene.vortex.globalRotation = 0.028
-                        scene.vortex.darkTextureRotation = 0.005
-                        scene.vortex.darkMoveForward = 0.009
+                        scene.vortex.globalRotation           = 0.028
+                        scene.vortex.darkTextureRotation      = 0.005
+                        scene.vortex.darkMoveForward          = 0.009
                         scene.vortex.colorFullTextureRotation = 0.006
-                        scene.vortex.colorFullMoveForward = 0.015
+                        scene.vortex.colorFullMoveForward     = 0.015
 
-                        scene.ambientLight.intensity = 1
+                        scene.ambientLight.intensity     = 1
                         scene.directionalLight.intensity = 1
+                        
+                        Mino.material.opacity   = 0.6
+                        Mino.material.roughness = 0.4
+                        Mino.material.metalness = 0.95
                     }
                 break
                 case "Espace":
@@ -71,9 +75,9 @@ export class TetraGUI extends GUI {
                     })
                     loadingManager.onLoad = function() {
                         scene.vortex.darkCylinder.material.map = darkTexture
-                        scene.vortex.darkCylinder.material.opacity = 0.2
+                        scene.vortex.darkCylinder.material.opacity = 0.055
                         scene.vortex.colorFullCylinder.material.map = colorfullTexture
-                        scene.vortex.colorFullCylinder.material.opacity = 0.2
+                        scene.vortex.colorFullCylinder.material.opacity = 0.6
                         
                         scene.vortex.globalRotation = 0.028
                         scene.vortex.darkTextureRotation = 0.006
@@ -81,8 +85,8 @@ export class TetraGUI extends GUI {
                         scene.vortex.colorFullTextureRotation = 0.006
                         scene.vortex.colorFullMoveForward = 0.02
 
-                        scene.ambientLight.intensity = 2
-                        scene.directionalLight.intensity = 3
+                        scene.ambientLight.intensity = 0.6
+                        scene.directionalLight.intensity = 1
                     }
                 break
             }
@@ -162,7 +166,7 @@ export class TetraGUI extends GUI {
                             side: THREE.DoubleSide,
                             transparent: true,
                             opacity: 0.6,
-                            roughness: 0.4,
+                            roughness: 0.06,
                             metalness: 0.95,
                         })
                     break
diff --git a/jsm/Vortex.js b/jsm/Vortex.js
index 2607711..be71d5f 100644
--- a/jsm/Vortex.js
+++ b/jsm/Vortex.js
@@ -42,7 +42,7 @@ export class Vortex extends THREE.Group {
                     texture.repeat.set(2, 1)
                 }),
                 blending: THREE.AdditiveBlending,
-                opacity: 0.7
+                opacity: 0.6
             })
         )
         this.add(this.colorFullCylinder)
diff --git a/jsm/gamelogic.js b/jsm/gamelogic.js
index 5aa0244..8e133f0 100644
--- a/jsm/gamelogic.js
+++ b/jsm/gamelogic.js
@@ -121,7 +121,7 @@ class Mino extends THREE.Object3D {
             side: THREE.DoubleSide,
             transparent: true,
             opacity: 0.6,
-            roughness: 0.4,
+            roughness: 0.06,
             metalness: 0.95,
         })
         this.mesh = new InstancedMino(minoGeometry, minoMaterial, 2*ROWS*COLUMNS)