Here is an ordinary square:

1. 2018-07-30 at 5:41 AM UTC

   #1
   Enterita African Astronaut
   
   
   BUT, suppose we extend the square between the two dimensions of our universe, along the hypothetical z-axis:
   
   

   Show spoiler

   
   
   This forms a 3 dimensional object known as a cube, or an "Enterheedron" in honor of its discoverer.
2. 2018-07-30 at 5:42 AM UTC

   #2
   

   A College Professor victim of incest [your moreover breastless limestone]
   *Everything's better with an egg on it, daddy!*
3. 2018-07-30 at 9:11 AM UTC

   #3
   

   OG_GREENPLASTIC_JOHNSON_III African Astronaut
   A significant contribution to science and humanity was made today. Generations to come will honor your invention.
4. 2018-07-30 at 9:15 AM UTC

   #4
   Enterita African Astronaut

   Originally posted by OG_GREENPLASTIC_JOHNSON_III A significant contribution to science and humanity was made today. Generations to come will honor your invention.

   
   Thank you!
5. 2018-07-30 at 10:57 AM UTC

   #5
   

   Cootehill African Astronaut [my unsymmetrically blurry oregano]
   I don't believe that an Enterheedron could ever be made.