Floor structure for snap-open frames. Steel base and single upright for A4 and A3 size frames. The aluminium upright allows for double-sided use. A4 size acrylic tray available as optional (cod. MBTA4).
Also available for double sided view,
thanks to the aluminium upright, a version with 6 snap-open frames A4 size or with 6 snap-open frames A3