Tea bag folding (not to be confused with teabagging) involves small decorated squares (or circles, hexagons etc) of paper folded in exactly the same way and stuck down so they are either interlocking or side by side to create a geometric deisgn.
It is said to have originated in Holland where decorative paper bags that held tea bags were used, but nowadays specially printed designs are available. (However if you can get hold of them, the decorated tea bags make lovely designs)
Sheets of tea bag paper can be bought, but it’s easier to find them online and print them yourself. There are numerous sites which provide all manner of designs – just try “free tea bag folding tiles” in your favourite search engine.
There are also hundreds of different ways of folding the things – again “tea bag folding instructions” will prove a goldmine. Try something like this for a start.
Next time I will give instructions for my favourite fold, which I used to produce two of the cards below.