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diff --git a/lib/axlsx/drawing/scaling.rb b/lib/axlsx/drawing/scaling.rb
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+++ b/lib/axlsx/drawing/scaling.rb
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+module Axlsx
+  # The Scaling class defines axis scaling
+  class Scaling
+
+    # logarithmic base for a logarithmic axis.
+    # must be between 2 and 1000
+    # @return [Integer]
+    attr_accessor :logBase
+
+    # the orientation of the axis
+    # must be one of [:minMax, :maxMin]
+    # @return [Symbol]
+    attr_accessor :orientation
+
+    # the maximum scaling
+    # @return [Float]
+    attr_accessor :max
+
+    # the minimu scaling
+    # @return [Float]
+    attr_accessor :min
+
+    # creates a new Scaling object
+    # @option options [Integer, Fixnum] logBase
+    # @option options [Symbol] orientation
+    # @option options [Float] max
+    # @option options [Float] min
+    def initialize(options={})
+      @orientation = :minMax
+      options.each do |o|
+        self.send("#{o[0]}=", o[1]) if self.respond_to? "#{o[0]}="
+      end
+    end
+    
+    def logBase=(v) DataTypeValidator.validate "Scaling.logBase", [Integer, Fixnum], v, lambda { |v| v >= 2 && v <= 1000}; @logBase = v; end
+    def orientation=(v) RestrictionValidator.validate "Scaling.orientation", [:minMax, :maxMin], v; @orientation = v; end
+    def max=(v) DataTypeValidator.validate "Scaling.max", Float, v; @max = v; end
+    def min=(v) DataTypeValidator.validate "Scaling.min", Float, v; @min = v; end
+
+    # Serializes the axId
+    # @param [Nokogiri::XML::Builder] xml The document builder instance this objects xml will be added to.
+    # @return [String]
+    def to_xml(xml)
+      xml.send('c:scaling') {
+        xml.send('c:logBase', :val=> @logBase) unless @logBase.nil?
+        xml.send('c:orientation', :val=> @orientation) unless @orientation.nil?
+        xml.send('c:min', :val => @min) unless @min.nil?
+        xml.send('c:max', :val => @max) unless @max.nil?
+      }
+    end
+
+  end
+end