This script can show (upto) 3 candles of another time frames without changing chart time frame realtime. You can choose the time frame and number of candles in the options. You have option to change body and wick colors as well.
in this example number of candles is 2:
You can set body and wick colors:
In this example, weekly candles are shown on 1h chart:
NB I'm using GBP/USD on Oanda. I was hoping to use the indicator on a 15min TF, with the indicator showing the last 3 candles on the 5m TF. If this is possible please. Thanks again for your time and assistance.