allow calibration of odd sizes
allow calibration of odd sizes

sidward/bart,sidward/bart,mjacob75/bart,frankong/bart,sdimoudi/bart,nckz/bart,sidward/bart,sdimoudi/bart,sidward/bart,Takishima/bart,frankong/bart,frankong/bart,sidward/bart,grlee77/bart,mjacob75/bart,mjacob75/bart,Takishima/bart,sdimoudi/bart,Takishima/bart,frankong/bart,sdimoudi/bart,mrirecon/bart,mjacob75/bart,grlee77/bart,frankong/bart,mrirecon/bart,grlee77/bart,grlee77/bart,mrirecon/bart,grlee77/bart,nckz/bart,mrirecon/bart,Takishima/bart,sdimoudi/bart,nckz/bart,mjacob75/bart,nckz/bart,nckz/bart,Takishima/bart,mrirecon/bart