How to draw a rectangular prism

You can use lined paper but for me graph paper works the best

Start by drawing a square

Add a diagonal line (doesn't really matter how long it is )

Add another diagonal line but on the other side of the square

Connect both diagonal lines

Add another diagonal line but down at the bottom of the square

Connect it

You can also make them different sizes

Here's an example with an index card

Comment down below what you would like me to do and I'll try my best to do it