This Master’s degree project explores the design possibilities of thread tension, to create a transformation in an interactive, 3D embroidered, wooden surface. The aim is to create a playful visual expression on a surface triggered by interaction. The surface is manipulated by embroidery and the embroidery is manipulated by the tension in the thread. Together all parts create a simple mechanism that allows the viewer to sink into a playful loop of a rising and collapsing structure. Dancing embroidery.  The work explores the potential of the thread as a key factor together with interaction to make a transformation of a surface possible. The thread is used both in the function of the surface and at the same time it creates a strong visual expression as it stands out to show its strength and power.