A solar module comprising: a first strip of photovoltaic material including, a front surface including a first plurality of parallel thin electrically conductive fingers , μ-chamfers located at corners of a first strip edge of the first strip; a first bus bar overlapping the first plurality of thin electrically conductive fingers and inset from the first strip edge by a gap , ends of the first bus bar not overlapping the μ-chamfers; and a second strip of photovoltaic material arranged in series with the first strip and including, a front surface including a second plurality of parallel thin electrically conductive fingers, corners of a second strip edge of the second strip forming a right angle, a second bus bar on the front surface inset from the second strip edge by a second gap including the second plurality of conductive fingers, the second bus bar overlapping the second plurality of thin electrically conductive fingers, wherein the second strip edge of the second strip overlaps the first gap, the μ-chamfers, and the first bus bar in a shingled configuration, wherein ends of the first bus bar are tapered, and wherein the first plurality of parallel thin electrically conductive fingers stop short of the first strip edge of the first strip by a distance, and extend all the way to a second strip edge of the first strip opposite to the first strip edge of the first strip. a first strip of photovoltaic material including, a front surface including a first plurality of parallel thin electrically conductive fingers , μ-chamfers located at corners of a first strip edge of the first strip; a first bus bar overlapping the first plurality of thin electrically conductive fingers and inset from the first strip edge by a gap , ends of the first bus bar not overlapping the μ-chamfers; and a front surface including a first plurality of parallel thin electrically conductive fingers , μ-chamfers located at corners of a first strip edge of the first strip; a first bus bar overlapping the first plurality of thin electrically conductive fingers and inset from the first strip edge by a gap , ends of the first bus bar not overlapping the μ-chamfers; and a second strip of photovoltaic material arranged in series with the first strip and including, a front surface including a second plurality of parallel thin electrically conductive fingers, corners of a second strip edge of the second strip forming a right angle, a second bus bar on the front surface inset from the second strip edge by a second gap including the second plurality of conductive fingers, the second bus bar overlapping the second plurality of thin electrically conductive fingers, wherein the second strip edge of the second strip overlaps the first gap, the μ-chamfers, and the first bus bar in a shingled configuration, wherein ends of the first bus bar are tapered, and wherein the first plurality of parallel thin electrically conductive fingers stop short of the first strip edge of the first strip by a distance, and extend all the way to a second strip edge of the first strip opposite to the first strip edge of the first strip. a front surface including a second plurality of parallel thin electrically conductive fingers, corners of a second strip edge of the second strip forming a right angle, a second bus bar on the front surface inset from the second strip edge by a second gap including the second plurality of conductive fingers, the second bus bar overlapping the second plurality of thin electrically conductive fingers, wherein the second strip edge of the second strip overlaps the first gap, the μ-chamfers, and the first bus bar in a shingled configuration, wherein ends of the first bus bar are tapered, and <EOS>