diff --git a/app/models/metadata_template.rb b/app/models/metadata_template.rb
index 03d42339..5af68099 100644
--- a/app/models/metadata_template.rb
+++ b/app/models/metadata_template.rb
@@ -12,6 +12,10 @@ MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
     false
   end
 
+  def nested?
+    false
+  end
+
   def inspect
     "#<#{self.class} site=#{site.name.inspect} post=#{post.id.inspect} value=#{value.inspect}>"
   end
diff --git a/app/models/post.rb b/app/models/post.rb
index 60382baf..953598a9 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -423,6 +423,13 @@ class Post
     @usuaries ||= document_usuaries.empty? ? [] : Usuarie.where(id: document_usuaries).to_a
   end
 
+  # Todos los atributos anidados
+  #
+  # @return [Array<Symbol>]
+  def nested_attributes
+    @nested_attributes ||= attributes.map { |a| self[a] }.select(&:nested?).map(&:name)
+  end
+
   private
 
   # Levanta un error si al construir el artículo no pasamos un atributo.
diff --git a/app/services/post_service.rb b/app/services/post_service.rb
index 20256d68..08a46ae7 100644
--- a/app/services/post_service.rb
+++ b/app/services/post_service.rb
@@ -17,6 +17,8 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
       post.slug.value = p[:slug] if p[:slug].present?
     end
 
+    # Crea los posts anidados
+    create_nested_posts! post, params[:post]
     update_related_posts
 
     commit(action: :created, add: files) if post.save
@@ -122,7 +124,7 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
 
   # Solo permitir cambiar estos atributos de cada articulo
   def post_params
-    params.require(:post).permit(post.params)
+    @post_params ||= params.require(:post).permit(post.params).to_h
   end
 
   # Eliminar metadatos internos
@@ -173,4 +175,20 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
       site.update licencia: Licencia.find_by_icons('custom')
     end
   end
+
+  # Encuentra todos los posts anidados y los crea o modifica
+  def create_nested_posts!(post, params)
+    post.nested_attributes.each do |nested_attribute|
+     nested_metadata = post[nested_attribute]
+     # @todo find_or_initialize
+     nested_post = site.posts(lang: post.lang.value).build(layout: nested_metadata.nested)
+     nested_params = params.require(nested_attribute).permit(nested_post.params).to_hash
+
+     # Completa la relación 1:1
+     nested_params[nested_metadata.inverse.to_s] = post.uuid.value
+     post[nested_attribute].value = nested_post.uuid.value
+
+     files << nested_post.path.absolute if nested_post.update(nested_params)
+    end
+  end
 end