diff --git a/archimedean.cpp b/archimedean.cpp
index 47817720..4d0b207f 100644
--- a/archimedean.cpp
+++ b/archimedean.cpp
@@ -1464,7 +1464,9 @@ EX void show() {
       });
     
     if(in()) {
-      dialog::addSelItem(XLAT("size of the world"), current.world_size(), 0);
+      dialog::addSelItem(XLAT("size of the world"), current.world_size(), 'S');
+      add_size_action();
+
       dialog::addSelItem(XLAT("edge length"), current.get_class() == gcEuclid ? (fts(current.edgelength) + XLAT(" (arbitrary)")) : fts(current.edgelength), 0);
 
       dialog::addItem(XLAT("color by symmetries"), 't');
diff --git a/geom-exp.cpp b/geom-exp.cpp
index 7cb8a755..57046d41 100644
--- a/geom-exp.cpp
+++ b/geom-exp.cpp
@@ -944,6 +944,13 @@ EX geometry_data compute_geometry_data() {
   return gd;
   }
 
+EX void add_size_action() {
+  if(WDIM == 2 || reg3::exact_rules()) dialog::add_action([] {
+    if(!viewdists) { enable_viewdists(); pushScreen(viewdist_configure_dialog); }
+    else if(viewdists) viewdists = false;
+    });
+  }
+
 EX void showEuclideanMenu() {
   // for(int i=2; i<lt; i++) landvisited[i] = true;
 
@@ -1151,11 +1158,7 @@ EX void showEuclideanMenu() {
     }
 
   dialog::addSelItem(XLAT("size of the world"), gd.size_str, '3');
-  
-  if(WDIM == 2 || reg3::exact_rules()) dialog::add_action([] {
-    if(!viewdists) { enable_viewdists(); pushScreen(viewdist_configure_dialog); }
-    else if(viewdists) viewdists = false;
-    });
+  add_size_action();
 
   if(closed_manifold) {
     dialog::addSelItem(XLAT("Euler characteristics"), its(gd.euler), 0);