viewof input = Inputs.form({
total_length: Inputs.range([1, 1000], {label: "Scale length (mm)", value: 635}),
playable_length: Inputs.range([1, 1000], {label: "Playable length (mm)"}),
root_letter: Inputs.select(["A", "B"], {label: "Root note"}),
root_frequency: Inputs.range([20,2000], {label: "Root frequency (Hz)"})
})