Many unconventional geometries have been reported previously (e.g., cylinders and circles, stacked LSCs, curved LSCs, 29 polygons, wedges, 31 leaf tiles, and mosaic tiles ), but the lack of standardization in fabrication and measurement makes comparison with simulation challenging -as observed in the previous case study. To eliminate this variable, we fabricated our own unconventional LSC geometries from cast PMMA slabs (thickness = 1.6 mm) doped with LR305 (100 ppm), which were laser cut to the desired shape (square, hexagon, triangle, and circle bulk parts, see Figure ) for dimensions). The external photon efficiency for each geometry was measured using the integrating sphere method (see Experimental and Section S3 for details).