hard off wrote: > does anybody know how to make an up-down saw-wave ? i'm quite new to pd, so maybe there is a more elegant method... to make a triangle wave i have used a phasor, and clipped both, the phasor and 1-phasor with a range of 0..0.5. then added both signals (and subtracted 0.5 or 0.75 and scaled, if necessary). bis denn! martin