diff --git a/CHANGELOG.md b/CHANGELOG.md
index fce70d0..c828b14 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ Changelog
 New sketch features:
   * Extrude, lathe, translate and rotate groups can now use the "assembly"
     boolean operation, to increase performance.
+  * Translate and rotate groups can create n-dimensional arrays using
+    the "difference" and "assembly" boolean operations.
 
 New export/import features:
   * Three.js: allow configuring projection for exported model, and initially
diff --git a/src/group.cpp b/src/group.cpp
index b1206e5..f459dd4 100644
--- a/src/group.cpp
+++ b/src/group.cpp
@@ -471,6 +471,9 @@ void Group::Generate(IdList<Entity,hEntity> *entity,
         }
 
         case Type::TRANSLATE: {
+            // inherit meshCombine from source group
+            Group *srcg = SK.GetGroup(opA);
+            meshCombine = srcg->meshCombine;
             // The translation vector
             AddParam(param, h.param(0), gp.x);
             AddParam(param, h.param(1), gp.y);
@@ -498,6 +501,9 @@ void Group::Generate(IdList<Entity,hEntity> *entity,
             return;
         }
         case Type::ROTATE: {
+            // inherit meshCombine from source group
+            Group *srcg = SK.GetGroup(opA);
+            meshCombine = srcg->meshCombine;
             // The center of rotation
             AddParam(param, h.param(0), gc.x);
             AddParam(param, h.param(1), gc.y);
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 97f374d..081477a 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -54,6 +54,7 @@ set(testsuite_SOURCES
     request/line_segment/test.cpp
     request/ttf_text/test.cpp
     group/translate_asy/test.cpp
+    group/translate_nd/test.cpp
 )
 
 add_executable(solvespace_testsuite
diff --git a/test/group/translate_nd/normal.png b/test/group/translate_nd/normal.png
new file mode 100644
index 0000000..4f5ee2c
Binary files /dev/null and b/test/group/translate_nd/normal.png differ
diff --git a/test/group/translate_nd/normal.slvs b/test/group/translate_nd/normal.slvs
new file mode 100644
index 0000000..691b57e
Binary files /dev/null and b/test/group/translate_nd/normal.slvs differ
diff --git a/test/group/translate_nd/test.cpp b/test/group/translate_nd/test.cpp
new file mode 100644
index 0000000..ccea849
--- /dev/null
+++ b/test/group/translate_nd/test.cpp
@@ -0,0 +1,7 @@
+#include "harness.h"
+
+TEST_CASE(normal_roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}