size(500, 500, P3D);
background(0);
// position
translate(width/2, height/2, -width/2);
rotateZ(radians(15));
rotateY(radians(-30));
rotateX(radians(-25));
// optional fill and lighting colors
noStroke();
fill(192, 255, 192);
pointLight(255, 255, 255, 400, -400, 400);
// draw box
box(200, 300, 400);