Engaging with the invisible and the subtle3 Videos runtime 68 min. Course held by Gabriele Musebrink (with english subtitles) Gabriele Musebrink in her video Engaging with the invisible and the subtle from the master class series Steinzeichen (stone signs). This work is characterized by areas made up of different materials. For that you will use lime putty, marble powder and gypsum bonding plaster as structural materials. A painterly gesture with bookbinding glue will give the surface a