wizard_papel_domain

       <!-- Vista Wizard Calcular Papel seleccion -->
        <record model="ir.ui.view" id="calculo_papel_seleccion_view_form">
            <field name="model">sale_imprenta.calculo.papel.start</field>
            <field name="type">form</field>
            <field name="arch" type="xml">
                <![CDATA[
                <form string="Wizard Calcular Papel">
                    <newline />
                    <field name="producto_papel"
                        view_ids="sale_imprenta.template_view_tree_wizard_papel" />
                </form>
            ]]>
            </field>
       </record>

       <!-- Vista para lisar papeles en el Wizard -->
       <record model="ir.ui.view" id="template_view_tree_wizard_papel">
            <field name="model">sale_imprenta.producto</field>
             <field name="type">tree</field>
             <field name="arch" type="xml">
                 <![CDATA[
                     <tree string="Product Templates">
                         <field name="desperdicio"/>
                         <field name="paginas_por_hoja"/>
                         <field name="name"/>
                         <field name="height"/>
                         <field name="width"/>
                         <field name="weight"/>
                         <field name="list_price"/>
                         <field name="cantidad_hojas_necesarias"/>
                     </tree>
                     ]]>
             </field>
       </record>