Liba Maschinenfabrik GmbH's Copcentra 2K-Twin tricot knitting machine features knitting elements on both sides to reduce required space and energy consumption by 50 percent. The machine knits two different fabrics in two different gages simultaneously. The Copcentra 2K-Twin knits tulle fabrics, felts, pleated fabrics, and raised fabrics. The Copcentra 2K+E-Twin knits elastic fabrics for athletic apparel and swimwear. The Copcentra 2K Pol-Twin knits seat covering fabrics. The machines double the productivity of single needle bar tricot machines while reducing operating costs.