The startup studio model is taking off. : In regions where would-be entrepreneurs need a little more support and encouragement before they’ll quit their day job, the startup studio model is taking off. In Seattle, one of its oldest and most-celebrated venture capital firms, Madrona Venture Group, has raised $11.3 million for its studio, Madrona Venture Labs (MVL). The investment brings the studio’s total funding to $20 million. Traditional venture capital funds invite founders to pitch their business idea to a line-up of partners.