Isosceles triangle/Delta Tattoo Desing - Symbol for change, because it is the first letter for the Greek word meaning different. It denotes a gene deletion in genetics and is the fourth letter in the Greek alphabet.
The Greek letter Delta is often used to represent a change in something. 2 Corinthians "If anyone belongs to Christ there is a new creation. The old things have gone; everything is made new" I am forgiven, I am redeemed, I am changed. I am free.