Heart Shaped Box

I'm preparing a 3D print demo for "Take Your Kids To Work Day". I wanted to design a couple of simple give-a-ways. I was previously inspired by Audin's candy rocket for another design. My first couple of boxes were prettier. But, my 13 year old son stopped by my desk and asked, "How many of those things do you need to make?" (about 40) "Dad, that's gonna take you forever." So, back to the drawing board for something I could print using single wall vase. I was unwilling to completely do