The tiny adjustment was bad

static/scripts/editor.js

@@ -14,7 +14,7 @@ editor.orientations = [
 
 editor.checkTimeOut = function() {
     editor.gridTimeOut += 1;
-    editor.grid.visible = editor.gridTimeOut < 10;
+    editor.grid.visible = editor.gridTimeOut < 5000;
 }
 
 editor.onFreeMove = function() {
@@ -212,4 +212,4 @@ editor.localComplementation = function() {
     gui.serverMessage("Inverted neighbourhood of " + editor.selection + ".");
 };
 
-setInterval(editor.checkTimeOut, 1);
+setInterval(editor.checkTimeOut, 100);