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The effect of squareness on gyrokinetic and peeling-ballooning-mode width-height pedestal scalings is calculated for STs. Because STs can sustain H-mode in first ballooning stability, first-stable pedestals with lower gradients may be further from the peeling-ballooning-mode boundary and therefore naturally free of Type 1 ELMs. We show that while higher squareness destabilizes ballooning modes in first stability, the ELM stability boundary is essentially unchanged. 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