diff --git a/.spyderproject b/.spyderproject
index 8d700c2..ee9cfc2 100644
Binary files a/.spyderproject and b/.spyderproject differ
diff --git a/project_directory/common/migrations/0002_auto__add_field_sample_model_filename.py b/project_directory/common/migrations/0002_auto__add_field_sample_model_filename.py
deleted file mode 100644
index 9577c63..0000000
--- a/project_directory/common/migrations/0002_auto__add_field_sample_model_filename.py
+++ /dev/null
@@ -1,40 +0,0 @@
-# -*- coding: utf-8 -*-
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        # Adding field 'Sample.model_filename'
-        db.add_column(u'common_sample', 'model_filename',
-                      self.gf('django.db.models.fields.CharField')(max_length=1000, null=True),
-                      keep_default=False)
-
-
-    def backwards(self, orm):
-        # Deleting field 'Sample.model_filename'
-        db.delete_column(u'common_sample', 'model_filename')
-
-
-    models = {
-        u'common.category': {
-            'Meta': {'object_name': 'Category'},
-            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['common.Category']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'})
-        },
-        u'common.sample': {
-            'Meta': {'object_name': 'Sample'},
-            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model_filename': ('django.db.models.fields.CharField', [], {'max_length': '1000', 'null': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['common.Category']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'})
-        }
-    }
-
-    complete_apps = ['common']
\ No newline at end of file
diff --git a/project_directory/common/migrations/0003_auto__chg_field_sample_model_filename.py b/project_directory/common/migrations/0003_auto__chg_field_sample_model_filename.py
deleted file mode 100644
index cf9f8c8..0000000
--- a/project_directory/common/migrations/0003_auto__chg_field_sample_model_filename.py
+++ /dev/null
@@ -1,38 +0,0 @@
-# -*- coding: utf-8 -*-
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-
-        # Changing field 'Sample.model_filename'
-        db.alter_column(u'common_sample', 'model_filename', self.gf('django.db.models.fields.CharField')(default='', max_length=1000))
-
-    def backwards(self, orm):
-
-        # Changing field 'Sample.model_filename'
-        db.alter_column(u'common_sample', 'model_filename', self.gf('django.db.models.fields.CharField')(max_length=1000, null=True))
-
-    models = {
-        u'common.category': {
-            'Meta': {'object_name': 'Category'},
-            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['common.Category']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'})
-        },
-        u'common.sample': {
-            'Meta': {'object_name': 'Sample'},
-            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model_filename': ('django.db.models.fields.CharField', [], {'max_length': '1000'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['common.Category']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'})
-        }
-    }
-
-    complete_apps = ['common']
\ No newline at end of file
diff --git a/project_directory/common/views.py b/project_directory/common/views.py
deleted file mode 100644
index 60f00ef..0000000
--- a/project_directory/common/views.py
+++ /dev/null
@@ -1 +0,0 @@
-# Create your views here.
diff --git a/project_directory/db.sqlite3 b/project_directory/db.sqlite3
index a14ce1b..517581f 100644
Binary files a/project_directory/db.sqlite3 and b/project_directory/db.sqlite3 differ
diff --git a/project_directory/rockviewer/settings.py b/project_directory/rockviewer/settings.py
index e30fe51..44d7284 100644
--- a/project_directory/rockviewer/settings.py
+++ b/project_directory/rockviewer/settings.py
@@ -124,7 +124,7 @@ INSTALLED_APPS = (
     'django.contrib.admin',
     # Uncomment the next line to enable admin documentation:
     'django.contrib.admindocs',
-    'common',
+    'three_d_viewer',
     'south',
 )
 
diff --git a/project_directory/rockviewer/urls.py b/project_directory/rockviewer/urls.py
index e775b3e..d35bbf9 100644
--- a/project_directory/rockviewer/urls.py
+++ b/project_directory/rockviewer/urls.py
@@ -13,5 +13,6 @@ urlpatterns = patterns('',
     # url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
 
     # Uncomment the next line to enable the admin:
+    url(r'', include('three_d_viewer.urls', namespace="three_d_viewer")),
     url(r'^admin/', include(admin.site.urls)),
 )
diff --git a/project_directory/common/__init__.py b/project_directory/three_d_viewer/__init__.py
similarity index 100%
rename from project_directory/common/__init__.py
rename to project_directory/three_d_viewer/__init__.py
diff --git a/project_directory/common/admin.py b/project_directory/three_d_viewer/admin.py
similarity index 64%
rename from project_directory/common/admin.py
rename to project_directory/three_d_viewer/admin.py
index f8bc84d..b8930a3 100644
--- a/project_directory/common/admin.py
+++ b/project_directory/three_d_viewer/admin.py
@@ -1,5 +1,5 @@
 from django.contrib import admin
-from common.models import Category, Sample
+from three_d_viewer.models import Category, Sample
 
 admin.site.register(Category)
 admin.site.register(Sample)
diff --git a/project_directory/common/migrations/0001_initial.py b/project_directory/three_d_viewer/migrations/0001_initial.py
similarity index 61%
rename from project_directory/common/migrations/0001_initial.py
rename to project_directory/three_d_viewer/migrations/0001_initial.py
index c8d810f..076f6a9 100644
--- a/project_directory/common/migrations/0001_initial.py
+++ b/project_directory/three_d_viewer/migrations/0001_initial.py
@@ -9,47 +9,49 @@ class Migration(SchemaMigration):
 
     def forwards(self, orm):
         # Adding model 'Category'
-        db.create_table(u'common_category', (
+        db.create_table(u'three_d_viewer_category', (
             (u'id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
             ('name', self.gf('django.db.models.fields.CharField')(max_length=100)),
             ('active', self.gf('django.db.models.fields.BooleanField')(default=True)),
-            ('parent', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['common.Category'], null=True, on_delete=models.SET_NULL, blank=True)),
+            ('parent', self.gf('django.db.models.fields.related.ForeignKey')(blank=True, related_name='children', null=True, on_delete=models.SET_NULL, to=orm['three_d_viewer.Category'])),
         ))
-        db.send_create_signal(u'common', ['Category'])
+        db.send_create_signal(u'three_d_viewer', ['Category'])
 
         # Adding model 'Sample'
-        db.create_table(u'common_sample', (
+        db.create_table(u'three_d_viewer_sample', (
             (u'id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
             ('name', self.gf('django.db.models.fields.CharField')(max_length=100)),
             ('active', self.gf('django.db.models.fields.BooleanField')(default=True)),
-            ('parent', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['common.Category'], null=True, on_delete=models.SET_NULL, blank=True)),
+            ('model_filename', self.gf('django.db.models.fields.CharField')(max_length=1000)),
+            ('parent', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['three_d_viewer.Category'], null=True, on_delete=models.SET_NULL, blank=True)),
         ))
-        db.send_create_signal(u'common', ['Sample'])
+        db.send_create_signal(u'three_d_viewer', ['Sample'])
 
 
     def backwards(self, orm):
         # Deleting model 'Category'
-        db.delete_table(u'common_category')
+        db.delete_table(u'three_d_viewer_category')
 
         # Deleting model 'Sample'
-        db.delete_table(u'common_sample')
+        db.delete_table(u'three_d_viewer_sample')
 
 
     models = {
-        u'common.category': {
+        u'three_d_viewer.category': {
             'Meta': {'object_name': 'Category'},
             'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
             u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
             'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['common.Category']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'})
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': u"orm['three_d_viewer.Category']"})
         },
-        u'common.sample': {
+        u'three_d_viewer.sample': {
             'Meta': {'object_name': 'Sample'},
             'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
             u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model_filename': ('django.db.models.fields.CharField', [], {'max_length': '1000'}),
             'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['common.Category']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'})
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['three_d_viewer.Category']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'})
         }
     }
 
-    complete_apps = ['common']
\ No newline at end of file
+    complete_apps = ['three_d_viewer']
\ No newline at end of file
diff --git a/project_directory/common/migrations/__init__.py b/project_directory/three_d_viewer/migrations/__init__.py
similarity index 100%
rename from project_directory/common/migrations/__init__.py
rename to project_directory/three_d_viewer/migrations/__init__.py
diff --git a/project_directory/common/models.py b/project_directory/three_d_viewer/models.py
similarity index 100%
rename from project_directory/common/models.py
rename to project_directory/three_d_viewer/models.py
diff --git a/templates/children.html b/project_directory/three_d_viewer/templates/children.html
similarity index 100%
rename from templates/children.html
rename to project_directory/three_d_viewer/templates/children.html
diff --git a/templates/main.html b/project_directory/three_d_viewer/templates/main.html
similarity index 100%
rename from templates/main.html
rename to project_directory/three_d_viewer/templates/main.html
diff --git a/project_directory/three_d_viewer/templates/three_d_viewer/detail.html b/project_directory/three_d_viewer/templates/three_d_viewer/detail.html
new file mode 100644
index 0000000..12002b5
--- /dev/null
+++ b/project_directory/three_d_viewer/templates/three_d_viewer/detail.html
@@ -0,0 +1 @@
+<h1>{{ sample.name }}</h1>
\ No newline at end of file
diff --git a/project_directory/three_d_viewer/templates/three_d_viewer/index.html b/project_directory/three_d_viewer/templates/three_d_viewer/index.html
new file mode 100644
index 0000000..9854e21
--- /dev/null
+++ b/project_directory/three_d_viewer/templates/three_d_viewer/index.html
@@ -0,0 +1,9 @@
+{% if active_samples %}
+    <ul>
+    {% for sample in active_samples %}
+        <li><a href="{% url 'three_d_viewer:detail' sample.id %}">{{ sample.name }}</a></li>
+    {% endfor %}
+    </ul>
+{% else %}
+    <p>No samples are available.</p>
+{% endif %}
\ No newline at end of file
diff --git a/project_directory/common/tests.py b/project_directory/three_d_viewer/tests.py
similarity index 100%
rename from project_directory/common/tests.py
rename to project_directory/three_d_viewer/tests.py
diff --git a/project_directory/three_d_viewer/urls.py b/project_directory/three_d_viewer/urls.py
new file mode 100644
index 0000000..9b0ea0f
--- /dev/null
+++ b/project_directory/three_d_viewer/urls.py
@@ -0,0 +1,9 @@
+from django.conf.urls import patterns, url
+from three_d_viewer import views
+
+urlpatterns = patterns('',
+    url(r'^$', views.IndexView.as_view(), name='index'),
+    url(r'^(?P<pk>\d+)/$', views.DetailView.as_view(), name='detail'),
+)
+
+
diff --git a/project_directory/three_d_viewer/views.py b/project_directory/three_d_viewer/views.py
new file mode 100644
index 0000000..4b7b287
--- /dev/null
+++ b/project_directory/three_d_viewer/views.py
@@ -0,0 +1,31 @@
+from django import template
+from django.shortcuts import get_object_or_404, render
+from django.http import HttpResponseRedirect, HttpResponse
+from django.core.urlresolvers import reverse
+from django.views import generic
+
+from three_d_viewer.models import Sample
+register = template.Library()
+
+
+@register.inclusion_tag('children.html')
+def children_tag(category):
+    children = category.children.all()
+    return {'children': children}
+
+
+class IndexView(generic.ListView):
+    template_name = 'three_d_viewer/index.html'
+    context_object_name = 'active_samples'
+
+    def get_queryset(self):
+        """
+        Return the last five published polls (not including those set to be
+        published in the future).
+        """
+        return Sample.objects.filter(active=True)
+
+
+class DetailView(generic.DetailView):
+    model = Sample
+    template_name = 'three_d_viewer/detail.html'