app/views/projects/projects_from.html.erb
<div class="tabs">
<ul>
<li><a href="#tabs-group"><%= I18n.t(:estimation_models) %></a></li>
</ul>
<div id="tabs-estimations" class="ui-tabs-panel ui-widget-content ui-corner-bottom">
<%= render partial: "projects/estimation_models", object: @estimation_models %>
</div>
</div>