Trendlines on indicator (rsi)

[vsmirnov]

Hello.
I looking for trendline indicator which a can plot to rsi or macd or to another indicator. Please help me to find it.

Builtin Trendlines plots only to one subgraph

i found article how to plot automatic trendlines to RSI, but i want to use it with severral indicators (price and RSI), it's mean that i must to have to subgraph with DATA1, but we can have only one subgraph with DATA1

this is article helps to me plot trendlines to RSI.
Indicator2 applied to indicator1

[trader273]

Probably would help if you said what charting platform you are using. If you are using TS, the TS forums are your best bet.