There are plenty of possibilities of the effects that can be achieved with Tunisian entrelac crochet, so grab some Squared paper and plan something great! Here are a few ideas.
You can continue the fabric by working more levels with more or fewer Squares. To create a triangular shawl, start with one foundation level Square and increase at the start and end of every level. Or try starting with 30 foundation level Squares, then alternate between 29 and 30 on each level for a rectangular fabric with jagged edges.