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#!/usr/bin/env python
frequencies = [
196.00, #G2 0
207.65, #G#2 1
220.00, #A2 2
233.08, #Bb2 3
246.94, #B2 4
261.63, #C3 5
277.18, #C#3 6
293.66, #D3 7
311.13, #D#3 8
329.63, #E3 9
349.23, #F3 10
369.99, #F#3 11
392.00, #G3 12
415.30, #G#3 13
440.00, #A3 14
466.16, #Bb3 15
493.88, #B3 16
523.25, #C4 17
554.37, #C#4 18
587.33, #D4 19
622.25, #D#4 20
659.26, #E4 21
698.46, #F4 22
739.99, #F#4 23
783.99, #G4 24
830.61, #G#4 25
880.00 #A4 26
]
notes = [
12,12,12, 8,15,12, 8,15,12, # 9
19,19,19,20,15,12, 8,15,12, # 9
24,12,12,24,23,22,21,20,21, # 9
13,18,17,16,15,14,15, # 7
8,11, 8,11,15,12,15,19, # 8
24,12,12,24,23,22,21,20,21, # 9
13,18,17,16,15,14,15, # 7
8,11, 8,15,12, 8,15,12 # 8
]
lengths = [
4, 4, 4, 3, 1, 4, 3, 1, 8,
4, 4, 4, 3, 1, 4, 3, 1, 8,
4, 3, 1, 4, 3, 1, 1, 1, 4,
2, 4, 3, 1, 1, 1, 4,
2, 4, 3, 1, 4, 3, 1, 8,
4, 3, 1, 4, 3, 1, 1, 1, 4,
2, 4, 3, 1, 1, 1, 4,
2, 4, 3, 1, 4, 3, 1, 8
]
assert(len(lengths) == len(notes))
feedrates = [60.0*f/320 for f in frequencies]
print "G21"
print "G90"
print "G92 X0 Y0 Z0"
print "G28"
print "(<layer> 0 )"
z = 0;
for (note,length) in zip(notes, lengths):
z += 0.15 * length * feedrates[note] / 60
print "G1 Z%(Z).2f F%(F).2f" % {'Z':z, 'F':feedrates[note]}
print "(</layer>)"
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