diff --git a/release-packaging/HelpSource/Classes/FluidKMeans.schelp b/release-packaging/HelpSource/Classes/FluidKMeans.schelp
index a25f167..1239669 100644
--- a/release-packaging/HelpSource/Classes/FluidKMeans.schelp
+++ b/release-packaging/HelpSource/Classes/FluidKMeans.schelp
@@ -186,7 +186,8 @@ code::
 //pitching
 {
 	var trig = Impulse.kr(MouseX.kr(0,1).exprange(0.5,ControlRate.ir / 2));
-	var point = 2.collect{ TIRand.kr(0,3,trig).linlin(0,3,-1,1) };
+	var step = Stepper.kr(trig,max:3);
+	var point = TRand.kr(-0.1, [0.1, 0.1], trig) + [step.mod(2).linlin(0,1,-0.6,0.6),step.div(2).linlin(0,1,-0.6,0.6)] ;
 	point.collect{|p,i| BufWr.kr([p],~inpPoint,i)};
 	Out.kr(~ib.index,[trig]);
 	T2A.ar(trig)*0.1;
diff --git a/release-packaging/HelpSource/Classes/FluidKNNClassifier.schelp b/release-packaging/HelpSource/Classes/FluidKNNClassifier.schelp
index 96dce16..ba84a1c 100644
--- a/release-packaging/HelpSource/Classes/FluidKNNClassifier.schelp
+++ b/release-packaging/HelpSource/Classes/FluidKNNClassifier.schelp
@@ -182,7 +182,8 @@ code::
 //pitching
 {
 	var trig = Impulse.kr(MouseX.kr(0,1).exprange(0.5,ControlRate.ir /2).poll);
-	var point = 2.collect{TIRand.kr(0,3,trig).linlin(0,3,-1,1)};
+	var step = Stepper.kr(trig,max:3);
+	var point = TRand.kr(-0.1, [0.1, 0.1], trig) + [step.mod(2).linlin(0,1,-0.6,0.6),step.div(2).linlin(0,1,-0.6,0.6)] ;
 	point.collect{|p,i| BufWr.kr([p],~inpPoint,i)};
 	Out.kr(~ib.index,[trig]);
 	T2A.ar(trig)*0.1;
diff --git a/release-packaging/HelpSource/Classes/FluidMLPClassifier.schelp b/release-packaging/HelpSource/Classes/FluidMLPClassifier.schelp
index a406b71..f2ffda8 100644
--- a/release-packaging/HelpSource/Classes/FluidMLPClassifier.schelp
+++ b/release-packaging/HelpSource/Classes/FluidMLPClassifier.schelp
@@ -192,7 +192,8 @@ code::
 //pitching
 {
 	var trig = Impulse.kr(MouseX.kr(0,1).exprange(0.5,ControlRate.ir /2).poll);
-	var point = 2.collect{TIRand.kr(0,3,trig).linlin(0,3,-1,1)};
+	var step = Stepper.kr(trig,max:3);
+	var point = TRand.kr(-0.1, [0.1, 0.1], trig) + [step.mod(2).linlin(0,1,-0.6,0.6),step.div(2).linlin(0,1,-0.6,0.6)] ;
 	point.collect{|p,i| BufWr.kr([p],~inpPoint,i)};
 	Out.kr(~ib.index,[trig]);
 	T2A.ar(trig)*0.1;