This is a cool optical illusion that makes your business card appear to be blank on both sides but then you print color onto it with your hand. A magical way to hand out your business card.
It’s Black Friday week on WonderHowTo! Don’t miss out on all of the big sales in the Gadget Hacks and Null Byte shops. And if you’ve been wanting to take some classes without going into debt, check out our best deals on online courses for a variety of skill sets. Don’t miss out on these huge discounts: