about 5 mins, however, the speed was not the goal:)

所有跟帖： 

• yes plus the accuracy told me to say "great"! Thank you Mr Han : -古色古香@- ♀ (0 bytes) () 10/29/2013 postreply 21:26:33

• 準確是相對的，主要是自由的筆觸表現體積和空間結構，謝謝！ -漢至- ♂ (0 bytes) () 10/29/2013 postreply 21:44:15

• that's the thing i didnt get it. Many thanks! -古色古香@- ♀ (0 bytes) () 10/29/2013 postreply 21:49:43

• You are welcome:) -漢至- ♂ (0 bytes) () 10/29/2013 postreply 21:53:53