import graph3; size(7.5cm,0); currentprojection=perspective(100,100,50); draw(rotate(90,X)*extrude("ABC",Z),orange); limits(O,15X+10Y+7Z); xaxis3(Label("$x$",1),blue,arrow=Arrow3); yaxis3(Label("$y$",1),blue,arrow=Arrow3); zaxis3(Label("$z$",1),blue,arrow=Arrow3);