design for: in the key of: intonation: tube OD: wall: bore: optimum: diff %:
Hole locations: all measurements in mm ( c Δ ET difference in cents) – Pink fields for input – For no hole enter 0 as diameter
window/emb. L x W x H  ~ + tip = total length
hole freq | note | c Δ ET hole diameter from end finger spacing cutoff*f
L1  L1-2 
LTh  L1-T 
L2  L2-3 
L3  L1-3 
R1  R1-2 
R2  R2-3 
R3  R1-3 
End  bore: length/bore ratio: EAR:
endeff: calib: A=  bore detune - cents temp: °C = °F slide: ± cents = ± mm