Report as inappropriate

I really want to print this to help with large Lithophanes that i am printing (350mm from the bed) on my CR10s but when i open in Cura i am seeing the parts so large i cant help thinking that they need scaling. Sorry for asking this but what is the end size of the parts, image attached. The base for the printer is 300 x 300, a quick look tells me that this part would be 180 ish. this is the Top right file