plot = new plot3d$();
plot.setLookFrom(0,0,25,3);
graphic = new graphic$();
graphic.add('cube,,sides=18:name=cube:lineWidth=0:transparent=0.25:color=green:visible=false,0:0:0,,1,1,1');
graphic.add('line,,linestyle=cube,5,0:0:0,10:0:0,10:10:0,0:10:0,0:0:0');
graphic.add('line,,linestyle=cube,5,0:0:0,0:0:10,0:10:10,0:10:0,0:0:0');
graphic.add('line,,linestyle=cube,5,0:0:10,10:0:10,10:10:10,0:10:10,0:0:10');
graphic.add('line,,linestyle=cube,2,10:0:0,10:0:10');
graphic.add('line,,linestyle=cube,2,10:10:0,10:10:10');
graphic.draw(plot,'pic');