Source boards length
Source board thickness
End-grain board thickness
Blade kerf
Flip every other layer
Rotate every other layer
Show black outlines.
NameColor
Edge-grain board length: 0
End-grain board length: 0
End- or edge-grain board width: 0
End-grain slices: 0
End-grain fractional length left over: 0
Wood used:
    WoodWidthTrailing Angle
    Edge-grain board
    End-grain board
    Example designs:
    This is Cutting Board Designer JS version . Here's a link to the latest version and git repo.