diff --git a/src/Grafoscopio/GlamourPresentationModel.class.st b/src/Grafoscopio/GlamourPresentationModel.class.st
index d5d959b..1ed0d3f 100644
--- a/src/Grafoscopio/GlamourPresentationModel.class.st
+++ b/src/Grafoscopio/GlamourPresentationModel.class.st
@@ -20,7 +20,7 @@ ui openWithSpec
 "
 Class {
 	#name : #GlamourPresentationModel,
-	#superclass : #ComposablePresenter,
+	#superclass : #SpPresenter,
 	#instVars : [
 		'presentation',
 		'glmPres'
@@ -31,28 +31,9 @@ Class {
 { #category : #specs }
 GlamourPresentationModel class >> defaultSpec [
 	<spec: #default>
-	^ SpecLayout composed add: #presentation
-]
-
-{ #category : #example }
-GlamourPresentationModel class >> example [
-	|ui lay|
-	
-	ui := DynamicComposableModel new.
-	ui title: 'Too Much Glamour!'.
-	ui instantiateModels: #(
-		play GlamourPresentationModel
-		insp GlamourPresentationModel).
-	
-	ui insp presentationClass: GTInspector startOn: 42.
-	
-	lay := SpecLayout composed
-		newColumn: [ :c |
-			c newRow: [ :r | r add: #play];
-			newRow: [ :r | r add: #insp ]];
-		yourself.
-		
-	ui openWithSpecLayout: lay.
+	^ SpBoxLayout newHorizontal
+		add: #presentation;
+		yourself
 ]
 
 { #category : #deprecation }
@@ -72,7 +53,7 @@ GlamourPresentationModel >> initializeWidgets [
 	This is because we cannot create the morph and later set the presentation.
 	So we will do all of this in the presentation: accessor.
 	"
-
+	self presentation.
 ]
 
 { #category : #accessing }
diff --git a/src/Grafoscopio/GrafoscopioAbstractNode.class.st b/src/Grafoscopio/GrafoscopioAbstractNode.class.st
index 19a2cc5..8869ccd 100644
--- a/src/Grafoscopio/GrafoscopioAbstractNode.class.st
+++ b/src/Grafoscopio/GrafoscopioAbstractNode.class.st
@@ -34,17 +34,6 @@ GrafoscopioAbstractNode >> addTag: aTag [
 	
 ]
 
-{ #category : #exporting }
-GrafoscopioAbstractNode >> asTreeNodePresenter [
-	| node |
-	node := SpTreeNodePresenter new.
-	node
-		hasChildren: [ false ];
-		children: [ {} ];
-		content: self.
-	^ node
-]
-
 { #category : #'as yet unclassified' }
 GrafoscopioAbstractNode >> content [
 	self subclassResponsibility 
diff --git a/src/Grafoscopio/GrafoscopioCodeModel.class.st b/src/Grafoscopio/GrafoscopioCodeModel.class.st
index 12a2d20..4656741 100644
--- a/src/Grafoscopio/GrafoscopioCodeModel.class.st
+++ b/src/Grafoscopio/GrafoscopioCodeModel.class.st
@@ -30,10 +30,7 @@ GrafoscopioCodeModel >> body: anObject [
 
 { #category : #API }
 GrafoscopioCodeModel >> content: aGrafoscopioNodeContent [
-
-	body
-		presentationClass: GTPlayground
-		startOn: (GTPlayPage new saveContent: aGrafoscopioNodeContent)
+	body text: aGrafoscopioNodeContent
 ]
 
 { #category : #'as yet unclassified' }
@@ -65,5 +62,5 @@ GrafoscopioCodeModel >> extractHtmlImages [
 { #category : #initialization }
 GrafoscopioCodeModel >> initializeWidgets [
 
-	body := GlamourPresentationModel new.
+	body := self newCode.
 ]
diff --git a/src/Grafoscopio/GrafoscopioCodeNode.class.st b/src/Grafoscopio/GrafoscopioCodeNode.class.st
index dcecc81..f3a35a7 100644
--- a/src/Grafoscopio/GrafoscopioCodeNode.class.st
+++ b/src/Grafoscopio/GrafoscopioCodeNode.class.st
@@ -32,3 +32,8 @@ GrafoscopioCodeNode >> header [
 GrafoscopioCodeNode >> shouldAskBeforeRemove [
 	^ self content isNotEmpty
 ]
+
+{ #category : #'as yet unclassified' }
+GrafoscopioCodeNode >> specModelClass [
+	^ GrafoscopioCodeModel
+]
diff --git a/src/Grafoscopio/GrafoscopioNewNotebook.class.st b/src/Grafoscopio/GrafoscopioNewNotebook.class.st
index 18dc30a..9d8e4f7 100644
--- a/src/Grafoscopio/GrafoscopioNewNotebook.class.st
+++ b/src/Grafoscopio/GrafoscopioNewNotebook.class.st
@@ -516,13 +516,10 @@ GrafoscopioNewNotebook >> importLinkContent [
 ]
 
 { #category : #initialization }
-GrafoscopioNewNotebook >> initialize [	
+GrafoscopioNewNotebook >> initialize [
 	super initialize.
-	self
-		notebook: (self createNewExample );
-		title: ' New | Grafoscopio notebook'.
-	self notebookContent: self notebook.
-
+	self notebook: self createNewExample.
+	self notebookContent: self notebook
 ]
 
 { #category : #initialization }
@@ -564,7 +561,16 @@ GrafoscopioNewNotebook >> initializeWidgets [
 		add: header;
 		add: body;
 		add: links.
-	self askOkToClose: true
+
+]
+
+{ #category : #persistence }
+GrafoscopioNewNotebook >> initializeWindow: aWindowPresenter [
+	super initializeWindow: aWindowPresenter.
+	aWindowPresenter
+		title: ' New | Grafoscopio notebook';
+		windowIcon: self taskbarIcon;
+		askOkToClose: true
 ]
 
 { #category : #persistence }
diff --git a/src/Grafoscopio/GrafoscopioNode.class.st b/src/Grafoscopio/GrafoscopioNode.class.st
index 9cfe8d7..e39f0b0 100644
--- a/src/Grafoscopio/GrafoscopioNode.class.st
+++ b/src/Grafoscopio/GrafoscopioNode.class.st
@@ -1055,9 +1055,10 @@ GrafoscopioNode >> selectMarkupSubtreesToExport [
 
 { #category : #accessing }
 GrafoscopioNode >> specModelClass [
-
-	(self isTaggedAs: 'código') ifTrue: [^GrafoscopioCodeModel].
-	(self isTaggedAs: 'johan') ifTrue:[^GrafoscopioButtonModel].
+	(self isTaggedAs: 'código')
+		ifTrue: [ ^ GrafoscopioCodeModel ].
+	(self isTaggedAs: 'johan')
+		ifTrue: [ ^ GrafoscopioButtonModel ].
 	"por defecto"
 	^ GrafoscopioTextModel
 ]
diff --git a/src/Grafoscopio/GrafoscopioTextNode.class.st b/src/Grafoscopio/GrafoscopioTextNode.class.st
index ab1bd89..9edf58a 100644
--- a/src/Grafoscopio/GrafoscopioTextNode.class.st
+++ b/src/Grafoscopio/GrafoscopioTextNode.class.st
@@ -896,10 +896,8 @@ GrafoscopioTextNode >> shouldAskBeforeRemove [
 
 { #category : #accessing }
 GrafoscopioTextNode >> specModelClass [
-
-	(self isTaggedAs: 'código') ifTrue: [^GrafoscopioCodeModel].
-	(self isTaggedAs: 'johan') ifTrue:[^GrafoscopioButtonModel].
 	"por defecto"
+
 	^ GrafoscopioTextModel
 ]