Injection molder Matrix 4 Inc. is prepping for growth, adding machinery and redefining what it means to play in manufacturing as it settles into its fifth year under owner Patricia Miller, the Woodstock, Ill.-based company’s CEO and self-styled visionary. “As we go into five years, we continue to kind of make that leaps and bounds of progress that we’re wanting to do, and at least validating that the strategy we put in place five years ago still seems to make sense, and it still makes it worthwhile to continue to move forward with the business,” Miller said in a phone interview. Miller took over the company in July 2014 from her grandfather, Raymond Wenk Sr., a tool and die maker who founded Matrix 4 — though, he opted for the Roman numeral IV — in 1976. The company molded various parts for the automotive and consumer products industries. Wenk died earlier this year, on April 27. He was 83. But much of his entrepreneurial spirit is now embraced by Miller, who is transitioning the company from old-school plastics manufacturing to what she calls a “design and manufacturing house.” “Five years ago, I said we wanted to be a design and manufa...