diff -urN kde-workspace-4.11.15/kwin/tabbox/qml/clients/big_icons/contents/ui/main.qml kde-workspace-4.11.15-patched/kwin/tabbox/qml/clients/big_icons/contents/ui/main.qml
--- kde-workspace-4.11.15/kwin/tabbox/qml/clients/big_icons/contents/ui/main.qml	2015-01-06 21:37:25.000000000 +1000
+++ kde-workspace-4.11.15-patched/kwin/tabbox/qml/clients/big_icons/contents/ui/main.qml	2015-01-19 19:24:22.731851696 +1000
@@ -54,7 +54,7 @@
 
     IconTabBox {
         id: icons
-        iconSize: 128
+        iconSize: 64
         height: iconSize + background.topMargin + icons.margins.top + icons.margins.bottom
         anchors {
             top: parent.top