lShow = false;
                    this.compositeMaterialShow = true;
                    this.customMaterialShow = false;
                },
                customMaterialClick() {
                    myBox.appearance.material = customMaterial;
                    this.colorMaterialShow = false;
                    this.imageMaterialShow = false;
                    this.compositeMaterialShow = false;
                    this.customMaterialShow = true;
                }
            },
         