Customized version of http://www.thingiverse.com/thing:243650

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=243650

Using the following options:

box_shape = 0
build_plate_selector = 0
box_height = 20
tolerance = .5
custom_shape = [[[-20.958904109589042,37.67123287671233],[-19.589041095890412,37.67123287671233],[-18.21917808219178,37.67123287671233],[-16.84931506849315,37.67123287671233],[-15.479452054794521,37.67123287671233],[-14.10958904109589,37.397260273972606],[-12.73972602739726,37.397260273972606],[-11.36986301369863,37.397260273972606],[-9.726027397260275,37.67123287671233],[-8.356164383561644,37.945205479452056],[-6.986301369863014,38.21917808219178],[-5.616438356164384,38.21917808219178],[-4.2465753424657535,38.21917808219178],[-3.6986301369863015,36.84931506849315],[-3.4246575342465753,35.47945205479452],[-3.4246575342465753,34.10958904109589],[-3.6986301369863015,32.73972602739726],[-5.068493150684931,32.73972602739726],[-6.438356164383562,32.73972602739726],[-7.808219178082192,32.465753424657535],[-9.178082191780822,32.465753424657535],[-10.547945205479452,32.465753424657535],[-10.273972602739725,31.095890410958905],[-10.273972602739725,29.726027397260275],[-10.273972602739725,28.356164383561644],[-10.273972602739725,26.986301369863014],[-10.273972602739725,25.616438356164384],[-10.273972602739725,24.246575342465754],[-10.273972602739725,22.876712328767123],[-10.273972602739725,21.506849315068493],[-11.095890410958905,20.410958904109588],[-12.465753424657535,20.410958904109588],[-13.835616438356164,20.410958904109588],[-15.205479452054796,20.136986301369863],[-15.479452054794521,21.506849315068493],[-15.479452054794521,22.876712328767123],[-15.479452054794521,24.246575342465754],[-15.479452054794521,24.246575342465754],[-15.479452054794521,25.616438356164384],[-15.479452054794521,25.616438356164384],[-15.479452054794521,26.986301369863014],[-15.479452054794521,26.986301369863014],[-15.753424657534246,28.356164383561644],[-15.753424657534246,28.356164383561644],[-16.027397260273972,29.726027397260275],[-16.027397260273972,29.726027397260275],[-16.027397260273972,31.095890410958905],[-16.027397260273972,31.095890410958905],[-17.397260273972602,31.643835616438352],[-17.397260273972602,31.643835616438352],[-18.767123287671232,31.643835616438352],[-18.767123287671232,31.643835616438352],[-20.136986301369863,31.643835616438352],[-20.136986301369863,31.643835616438352],[-21.506849315068493,31.917808219178085],[-22.602739726027394,32.73972602739726],[-22.602739726027394,34.10958904109589],[-22.602739726027394,35.47945205479452],[-22.602739726027394,35.47945205479452],[-22.328767123287673,36.84931506849315],[-22.328767123287673,36.84931506849315],[-21.506849315068493,37.945205479452056]],[[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61]]]
box_top_height = 10
box_maximum_length_or_width = 80