Customized version of http://www.thingiverse.com/thing:116042

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=116042

Using the following options:

height = 15
wall_thickness = 1.6
shape = [[[-5.424657534246576,-26.465753424657535],[-7.726027397260274,-24.493150684931507],[-9.041095890410958,-23.178082191780824],[-10.684931506849315,-22.191780821917806],[-12,-21.205479452054796],[-13.315068493150685,-19.890410958904113],[-14.63013698630137,-18.904109589041095],[-16.602739726027394,-17.26027397260274],[-18.904109589041095,-15.945205479452056],[-20.21917808219178,-14.95890410958904],[-22.191780821917806,-12.657534246575342],[-23.178082191780824,-11.342465753424658],[-24.164383561643838,-9.698630136986301],[-25.15068493150685,-8.054794520547945],[-26.465753424657535,-6.41095890410959],[-27.78082191780822,-3.452054794520548],[-29.095890410958905,-2.136986301369863],[-30.082191780821923,-0.821917808219178],[-31.3972602739726,0.821917808219178],[-32.054794520547944,2.4657534246575343],[-33.04109589041096,4.438356164383562],[-33.6986301369863,6.41095890410959],[-34.35616438356164,8.712328767123287],[-35.013698630136986,10.684931506849315],[-35.67123287671233,12.657534246575342],[-36,14.95890410958904],[-36,16.93150684931507],[-36,20.21917808219178],[-35.34246575342466,22.52054794520548],[-34.35616438356164,25.15068493150685],[-32.71232876712329,27.45205479452055],[-31.3972602739726,29.095890410958905],[-29.753424657534246,30.082191780821923],[-26.794520547945204,31.726027397260278],[-25.15068493150685,32.054794520547944],[-23.506849315068493,32.38356164383562],[-20.54794520547945,33.04109589041096],[-18.246575342465754,33.6986301369863],[-16.273972602739725,33.6986301369863],[-13.972602739726026,33.369863013698634],[-12.32876712328767,31.726027397260278],[-11.342465753424658,30.41095890410959],[-11.013698630136986,27.78082191780822],[-11.013698630136986,25.479452054794518],[-11.013698630136986,23.506849315068493],[-10.684931506849315,21.863013698630137],[-10.027397260273974,19.890410958904113],[-9.041095890410958,18.575342465753426],[-8.383561643835616,16.93150684931507],[-7.726027397260274,14.95890410958904],[-7.397260273972602,17.589041095890412],[-7.726027397260274,19.561643835616437],[-8.383561643835616,22.52054794520548],[-8.383561643835616,26.136986301369863],[-8.383561643835616,29.095890410958905],[-8.383561643835616,32.38356164383562],[-8.054794520547945,34.68493150684931],[-6.73972602739726,36.657534246575345],[-5.095890410958904,38.95890410958904],[-2.7945205479452055,40.273972602739725],[-1.1506849315068495,40.93150684931507],[0.821917808219178,41.26027397260274],[2.7945205479452055,41.26027397260274],[5.095890410958904,41.26027397260274],[7.068493150684931,40.93150684931507],[9.041095890410958,39.945205479452056],[11.67123287671233,38.63013698630137],[13.315068493150685,36.657534246575345],[14.95890410958904,34.68493150684931],[16.273972602739725,32.38356164383562],[17.26027397260274,30.73972602739726],[17.91780821917808,29.095890410958905],[17.91780821917808,26.136986301369863],[17.91780821917808,24.493150684931507],[17.91780821917808,22.84931506849315],[17.91780821917808,19.890410958904113],[17.91780821917808,19.890410958904113],[17.589041095890412,17.26027397260274],[16.93150684931507,14.95890410958904],[16.93150684931507,14.95890410958904],[16.273972602739725,11.67123287671233],[15.287671232876713,9.041095890410958],[14.95890410958904,7.397260273972602],[13.972602739726026,5.7534246575342465],[13.972602739726026,5.7534246575342465],[7.397260273972602,-3.1232876712328768],[6.41095890410959,-4.438356164383562],[5.095890410958904,-6.73972602739726],[3.7808219178082196,-9.041095890410958],[2.7945205479452055,-10.684931506849315],[2.7945205479452055,-10.684931506849315],[2.136986301369863,-12.986301369863014],[2.136986301369863,-12.986301369863014],[1.4794520547945205,-14.63013698630137],[0.4931506849315068,-16.273972602739725],[0.4931506849315068,-16.273972602739725],[-0.1643835616438356,-18.575342465753426],[-0.1643835616438356,-18.575342465753426],[-1.1506849315068495,-20.54794520547945],[-1.1506849315068495,-20.54794520547945],[-2.136986301369863,-22.84931506849315],[-2.136986301369863,-22.84931506849315],[-2.7945205479452055,-24.493150684931507],[-2.7945205479452055,-24.493150684931507],[-3.1232876712328768,-26.465753424657535]],[[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104]]]
mirror = Yes