Working in vending machine is inspired by some old Ad.
1.0
Using 0.8 seems about right, but I have difficulty to fit a human into iphone...
2.0 XL
May be use weight 0.6 or else the face/hand will be broken.
"sitting inside a xyz vending machine" should put that person in certain machine as long as it is big enough to fit a human.
Adding "very tight space" may make the work space smaller.