These are drawings of a sump that can be used with an ETS skimmer.
View from the Side. Please note the interior pass through shown as a red circle is not on the diagonally cut piece of acrylic. The left end view shows this pass through in red. The blue thick line is another pass through that is shown in the left end view in blue as well.
View from the left end of the sump. The red pass through shown on the side view is the thick red line in this drawing. The blue circle shown here is the thick blue line on the side view drawing.
View from the right end of the sump.