Handmade, by a human, is the most powerful. Those of us who can see well enough to tell the difference all know this. What these mechanical approaches offer is

Handmade, by a human, is the most powerful. Those of us who can see well enough to tell the difference all know this. What these mechanical approaches offer is speed, convenience and clever tricks. But not art-power. So here we are puzzling over various flavors of flimsy and how to make a better fast-food taco.