this is working

views/related_proyectos_item-servicio.twig

@@ -0,0 +1,38 @@
+{% for post in posts %}
+
+	{#<!--<strong>{{post.title}}</strong><br/>
+	{% for term in post.terms %}{% if term.taxonomy == 'category' %}{{term.name}}<br/>{% endif %}{% endfor %}-->#}
+
+	{% set iter = loop.index %}
+	{% set number = [13,25,37,49,61] %}
+	{% set rm = random() %}
+	
+	{% if loop.index == 1 %}<div id="iter-1" class="col-12"><div class="row">{% endif %}
+	{% for i in number %}{% if i == iter %}
+
+		<div class="text-center col-12 mt-5 mb-5" onclick="this.hidden=true">
+			<a href="#iter-{{i}}-{{rm}}" class="btn btn-outline-primary" data-toggle="collapse" role="button" aria-expanded="false">Ver más</a>
+		</div>
+
+	</div></div>
+
+	<div id="iter-{{i}}-{{rm}}" class="col-12 collapse"><div class="row">
+	{% endif %}{% endfor %}
+	
+	<div class="col-md-4">
+		<div class="project-item mb-4">
+			<div class="overlay rounded-circle bg-gradient-4"></div>
+			<img src="{{post.thumbnail|resize(500,500)}}" class="img-fluid rounded-circle" alt="{{post.title}}">
+			<a href="{{post.link}}" class="d-block caption">
+			<div class="text-center d-flex h-100 align-items-center p-3">
+				<div>
+					<h3>{{ post.title|truncate(12) }}</h3>
+				</div>
+			</div>
+			</a>
+		</div>
+	</div>
+	
+	{% if loop.last %}</div></div>{% endif %}
+	
+{% endfor %}