Zentangle is a drawing of repetitive patterns. Its fun and is considered as a relaxing therapy.
The following pictures are the zentangle art of apple and mango.
2.pencil for drawing a rough sketch
3.fine liner pen
First draw an outline of the image you wish. Next chose appropriate color to fill it.I used red for apple and yellow for mango.now start filling with patterns of your wish.the beauty of zentangle is there are no rules.you can use the patterns you like.Infact it can be the same pattern repeating all over again. The resulting picture is this.
I used stabilo .4 fine liner