Vertical triple sponge holder for kitchen undermount sink

This sponge holder can hold up to three typical sized dish sponge in a vertical orientation.  The sponge holder measures 90mm wide and 130mm deep.  Each sponge slot can accommodate 30mm thick sponge.

It is intended for use with an undermount designed sink.  This is so the under side of the sponge holder can sit flat on the countertop with the lip overhanging the edge of the sink for draining water.  See attached pictures.

The rails and dividers are printed separate and needs to be attached by inserting the rail pegs into the holes on the base.  No support required on any piece.

Print 2 dividers and 2 side rails.