diff --git a/.scripts/i3cmds/displayselect b/.scripts/i3cmds/displayselect
index c5f751a..3ffc4f3 100755
--- a/.scripts/i3cmds/displayselect
+++ b/.scripts/i3cmds/displayselect
@@ -6,11 +6,38 @@
 # I plan on adding a routine from multi-monitor setups later.
 
 twoscreen() { # If multi-monitor is selected and there are two screens.
-	primary=$(echo "$screens" | dmenu -i -p "Select primary display:")
-	secondary=$(echo "$screens" | grep -v "$primary")
-	direction=$(printf "left\\nright" | dmenu -i -p "What side of $primary should $secondary be on?")
-	xrandr --output "$primary" --auto --output "$secondary" --"$direction"-of "$primary" --auto
-	}
+
+    mirror=$(printf "no\\nyes" | dmenu -i -p "Mirror displays?")
+    # Mirror displays using native resolution of external display and a scaled
+    # version for the internal display
+    if [ "$mirror" = "yes" ]; then
+        external=$(echo "$screens" | dmenu -i -p "Select external display:")
+        internal=$(echo "$screens" | grep -v "$external")
+
+        res_external=$(xrandr --query | sed -n "/^$external/,/\+/p" | \
+            tail -n 1 | awk '{print $1}')
+        res_internal=$(xrandr --query | sed -n "/^$internal/,/\+/p" | \
+            tail -n 1 | awk '{print $1}')
+
+        res_ext_x=$(echo $res_external | sed 's/x.*//')
+        res_ext_y=$(echo $res_external | sed 's/.*x//')
+        res_int_x=$(echo $res_internal | sed 's/x.*//')
+        res_int_y=$(echo $res_internal | sed 's/.*x//')
+
+        scale_x=$(echo "$res_ext_x / $res_int_x" | bc -l)
+        scale_y=$(echo "$res_ext_y / $res_int_y" | bc -l)
+
+        xrandr --output "$external" --auto \
+            --output "$internal" --auto --same-as "$external" \
+            --scale "$scale_x"x"$scale_y"
+    else
+
+        primary=$(echo "$screens" | dmenu -i -p "Select primary display:")
+        secondary=$(echo "$screens" | grep -v "$primary")
+        direction=$(printf "left\\nright" | dmenu -i -p "What side of $primary should $secondary be on?")
+        xrandr --output "$primary" --auto --output "$secondary" --"$direction"-of "$primary" --auto
+    fi
+    }
 
 morescreen() { # If multi-monitor is selected and there are more than two screens.
 	primary=$(echo "$screens" | dmenu -i -p "Select primary display:")