1. Depending on the shape of your chosen container, you may or may not need to create a base shape.

1. If you are doing a cylinder, select the "Cylinder" button, and then place two points on your graph. These points are the top and bottom (height) of your cylinder. It will ask you to input a radius

1. If you are doing a rectangular or triangular prism, you will need to first create the base shape using the polygon button.
   1. When you have the base shape, click on the "prism" button, select the vertices (end points) of your base shape (it will turn white when you click on it). START and END on the same vertices (the last one will be already white). Once it is selected, it will have the option to give it height.