FML/Stylesheet/Stylesheet.php
public function addStyle3d(Style3d $style3d)
    {
        if (!in_array($style3d, $this->styles3d, true)) {
            array_push($this->styles3d, $style3d);
        }
        return $this;
    }
public function addStyle3d(Style3d $style3d)
    {
        if (!in_array($style3d, $this->styles3d, true)) {
            array_push($this->styles3d, $style3d);
        }
        return $this;
    }
public function addStyle3d ( Style3d $ style3d ) { if ( ! in_array ( $ style3d , $ this -> styles3d , true ) ) { array_push ( $ this -> styles3d , $ style3d ) ; } return $ this ; }
Add a new Style3d

@api
@param Style3d $style3d The Style3d to be added
@return static
Add a new Style3d