createCanvas3D(600, 400);

  background3D("#333333");

  diffuse("#4CAF50");

  roughness(0.1)

​

  //We create a 2D shape specifying each vertex

  var myShape = beginShape2D();

  addVertex(-0.5, -2.5);

  addVertex(0.5, -2.5);

  addVertex(0.5, 2.5);

  addVertex(-0.5, 2.5);

  endShape();

  //No bevel

  shape(myShape, -2, 0, 0, 0.1);

  //Using default bevel

  shape(myShape, 0, 0, 0, 0.5, true);

  //With all parameters we can generate different bevels

  shape(myShape, 2, 0, 0, 0.1, true, 0.2, 0.2, -0.1, 32);

}

​

function draw() {}