You can also turn coarse frequency on a Mangrove all the way CCW to use it as an LFO, using the fine tune to adjust the frequency. Modulating Survey on Cold Mac with no other inputs patched is a nice way to get several related modulation sources from one.
With Teletype you can generate various kinds of linear-ramp envelopes and LFOs by making use of CV.SLEW. For example, suppose you have set CV.SLEW 1 250 so that the first CV output will ramp from the current value to the next value over 250 ms. Then in script 1:
CV 1 V 5
DEL 250: CV 1 0
This will give you an attack/decay envelope when you trigger script 1. You can add:
DEL 500: TR.P 1
to also have an end of cycle trigger, which you can then patch back to the script 1 input. Then press F1 to manually trigger the script, starting a triangle LFO from CV output 1.
I’m writing this away from my modular so I apologize if this takes some tweaking, just sort of a general technique.