Teen Programs Crafty Teens Page and Screen T3 Teen Advisory Board Teen Resources Sierpinski Tetrahedrons Simply print 12 copies of the above image and assemble. Final result Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Like this:Like Loading...