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While we're at it, the Vortex algorithm "Fractal" can do just that - generate Fractals. The algorithm is basically two delays in series, with both the first and the second delay fed back to the first delay's input. Not let's say both delays are set to the same length (ECHO1=ECHO2, let's set it to 1), and the total feedback (FEEDBACK1) is >1. Now by setting the feedback mix (FEEDBACK2) to an in-between-value, the input of the echo chain is fed by a mix of the output of the first half of the delay chain and the output of the end of the chain. Sometimes, effects manufacturers name their presets for a reason! Rainer