Step 9: Print it UP!
Some of the available materials include nylon, alumide, stainless steel, gold-plated stainless steel, bronze-infused stainless steel, sterling silver, ceramic, ABS plastic, ceramic, gypsum composite, and so on.
I ordered mine in Shapeways' "White, Strong & Flexible". It is inexpensive. It is strong and flexible. Here's the description:
Physicists usually do not speak of "moving" or "traveling" through time, saving those terms for changes in spatial position as the time coordinate is varied. The speak of worldlines that form closed timelike curve loops in spacetime, allowing objects to return to their own past. However, movement in time is interrelated to spatial movement.