Print template of choice. Fold dotted line tabs. Glue tab of one triangle to tab free side of the next triangle. Repeat until all triangles are attached. Cover entire pyramid with a coat of glue sprinkle sand over top if you decide to use the sand, you should make sure you backed the template pieces with thin cardboard or the pyramid will collapse under the weight Close the template window after printing to return to this screen.
Different computers work a bit differently in terms of how they print.