Square and rectangle ‘Dotty’ plastic reusable stencils for Celtic knots and Zentangle artA pair of rectangle and Square Dotty plastic reusable stencils for Celtic knots and Zentangle art I designed these Dotty stencils to assist students with dexterity issues and the stencil can be used with a pen or pencil to help set up a base grid for Celtic knots, Tangles and journalling. The square dotty stencil measures 130x130mm, 13x13cms, 5 1 8 x 5 1 8inches and is made from 250gsm Mylar plastic which is strong but pliable. There are a total of