Buy a frame that isn't measured in metricsBuy a desktop and put it in there then and or a picture of one.A picture of Harry Potter signed by Alex RansA picture of the girl who made fun of your bike
Hulkster
put a mirror in it
stuffs not made for mirrors
that's because your frame isn't real enough for mirrors
Its 10 by 15 cm tho btw.
Well that is why you can't find something to put in it, it is in some alien measuring system instead of inches