diff --git a/src/AppBundle/Entity/LDraw/Category.php b/src/AppBundle/Entity/LDraw/Category.php
index 905488b..1f97c82 100644
--- a/src/AppBundle/Entity/LDraw/Category.php
+++ b/src/AppBundle/Entity/LDraw/Category.php
@@ -10,7 +10,7 @@ use Doctrine\ORM\Mapping as ORM;
  * Category.
  *
  * @ORM\Table(name="ldraw_category")
- * @ORM\Entity
+ * @ORM\Entity(repositoryClass="AppBundle\Repository\CategoryRepository")
  */
 class Category
 {
diff --git a/src/AppBundle/Entity/LDraw/Keyword.php b/src/AppBundle/Entity/LDraw/Keyword.php
index 19f7012..496e6c0 100644
--- a/src/AppBundle/Entity/LDraw/Keyword.php
+++ b/src/AppBundle/Entity/LDraw/Keyword.php
@@ -9,7 +9,7 @@ use Doctrine\ORM\Mapping as ORM;
  * Keyword.
  *
  * @ORM\Table(name="ldraw_keyword")
- * @ORM\Entity
+ * @ORM\Entity(repositoryClass="AppBundle\Repository\KeywordRepository")
  */
 class Keyword
 {
diff --git a/src/AppBundle/Entity/LDraw/Model.php b/src/AppBundle/Entity/LDraw/Model.php
index 6ec4064..4e78540 100644
--- a/src/AppBundle/Entity/LDraw/Model.php
+++ b/src/AppBundle/Entity/LDraw/Model.php
@@ -9,7 +9,7 @@ use Doctrine\ORM\Mapping as ORM;
  * Model.
  *
  * @ORM\Table(name="ldraw_model")
- * @ORM\Entity
+ * @ORM\Entity(repositoryClass="AppBundle\Repository\ModelRepository")
  */
 class Model
 {
diff --git a/src/AppBundle/Entity/LDraw/Part_Relation.php b/src/AppBundle/Entity/LDraw/Part_Relation.php
index e0242e5..683abaf 100644
--- a/src/AppBundle/Entity/LDraw/Part_Relation.php
+++ b/src/AppBundle/Entity/LDraw/Part_Relation.php
@@ -7,7 +7,7 @@ use Doctrine\ORM\Mapping as ORM;
 /**
  * Part.
  *
- * @ORM\Entity
+ * @ORM\Entity(repositoryClass="AppBundle\Repository\Part_RelationRepository")
  * @ORM\Table(name="ldraw_part_relation")
  */
 class Part_Relation
diff --git a/src/AppBundle/Entity/LDraw/Type.php b/src/AppBundle/Entity/LDraw/Type.php
index 9fede63..6d18957 100644
--- a/src/AppBundle/Entity/LDraw/Type.php
+++ b/src/AppBundle/Entity/LDraw/Type.php
@@ -10,7 +10,7 @@ use Doctrine\ORM\Mapping as ORM;
  * Type.
  *
  * @ORM\Table(name="ldraw_type")
- * @ORM\Entity
+ * @ORM\Entity(repositoryClass="AppBundle\Repository\TypeRepository")
  */
 class Type
 {
diff --git a/src/AppBundle/Repository/BaseRepository.php b/src/AppBundle/Repository/BaseRepository.php
new file mode 100644
index 0000000..0e7f080
--- /dev/null
+++ b/src/AppBundle/Repository/BaseRepository.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace AppBundle\Repository;
+
+
+use Doctrine\ORM\EntityRepository;
+
+class BaseRepository extends EntityRepository
+{
+    public function save($entity) {
+        $this->_em->persist($entity);
+        $this->_em->flush($entity);
+    }
+
+    public function delete($entity) {
+        $this->_em->remove($entity);
+        $this->_em->flush($entity);
+    }
+}
\ No newline at end of file
diff --git a/src/AppBundle/Repository/CategoryRepository.php b/src/AppBundle/Repository/CategoryRepository.php
new file mode 100644
index 0000000..e39226d
--- /dev/null
+++ b/src/AppBundle/Repository/CategoryRepository.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace AppBundle\Repository;
+
+
+use Doctrine\ORM\EntityRepository;
+
+class CategoryRepository extends BaseRepository
+{
+
+}
\ No newline at end of file
diff --git a/src/AppBundle/Repository/KeywordRepository.php b/src/AppBundle/Repository/KeywordRepository.php
new file mode 100644
index 0000000..2aba471
--- /dev/null
+++ b/src/AppBundle/Repository/KeywordRepository.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace AppBundle\Repository;
+
+
+use Doctrine\ORM\EntityRepository;
+
+class KeywordRepository extends BaseRepository
+{
+
+}
\ No newline at end of file
diff --git a/src/AppBundle/Repository/ModelRepository.php b/src/AppBundle/Repository/ModelRepository.php
new file mode 100644
index 0000000..1b5840f
--- /dev/null
+++ b/src/AppBundle/Repository/ModelRepository.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace AppBundle\Repository;
+
+
+use Doctrine\ORM\EntityRepository;
+
+class ModelRepository extends BaseRepository
+{
+
+}
\ No newline at end of file
diff --git a/src/AppBundle/Repository/PartRepository.php b/src/AppBundle/Repository/PartRepository.php
new file mode 100644
index 0000000..26ca83d
--- /dev/null
+++ b/src/AppBundle/Repository/PartRepository.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace AppBundle\Repository;
+
+
+class PartRepository extends BaseRepository
+{
+}
diff --git a/src/AppBundle/Repository/Part_RelationRepository.php b/src/AppBundle/Repository/Part_RelationRepository.php
new file mode 100644
index 0000000..71e5790
--- /dev/null
+++ b/src/AppBundle/Repository/Part_RelationRepository.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace AppBundle\Repository;
+
+
+use Doctrine\ORM\EntityRepository;
+
+class Part_RelationRepository extends BaseRepository
+{
+
+}
\ No newline at end of file
diff --git a/src/AppBundle/Repository/TypeRepository.php b/src/AppBundle/Repository/TypeRepository.php
new file mode 100644
index 0000000..874ec9e
--- /dev/null
+++ b/src/AppBundle/Repository/TypeRepository.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace AppBundle\Repository;
+
+
+class TypeRepository extends BaseRepository
+{
+}
\ No newline at end of file