FAQ: http://www.thingiverse.com/shivinteger/about

[>>>] Generating Attributions log:

[0] Thing Title : The better X line tension-er for Printrbot Simple alpha release.
[0] Thing URL : http://www.thingiverse.com/thing:157044
[0] Thing Author : edd2225
[0] Thing Licence : Creative Commons - Attribution - Share Alike

[1] Thing Title : Two speed capstan
[1] Thing URL : http://www.thingiverse.com/thing:387914
[1] Thing Author : mgg942
[1] Thing Licence : Creative Commons - Attribution - Share Alike

[2] Thing Title : Harbor Freight small files handle
[2] Thing URL : http://www.thingiverse.com/thing:698470
[2] Thing Author : jjaypops
[2] Thing Licence : Creative Commons - Attribution - Share Alike

[3] Thing Title : Alternative Cribbage Board
[3] Thing URL : http://www.thingiverse.com/thing:870943
[3] Thing Author : DaGooch
[3] Thing Licence : Creative Commons - Attribution - Share Alike

[4] Thing Title : Warhammer Inquisitorial Rosette
[4] Thing URL : http://www.thingiverse.com/thing:886887
[4] Thing Author : thulinma
[4] Thing Licence : Creative Commons - Attribution - Share Alike

[5] Thing Title : ENABLE OPENING A DOORKNOB (enablecreatetime1)
[5] Thing URL : http://www.thingiverse.com/thing:1397535
[5] Thing Author : lscherer
[5] Thing Licence : Creative Commons - Attribution - Share Alike

[+] Attributions logged

[+] Getting object #0
[<] Importing : downloads/387914/ring_02.stl
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: -0.04%, F: -0.05%
[+] Preparing : Ring 02

[+] Getting object #1
[+] No STL in that folder

[+] Getting object #1
[<] Importing : downloads/1318612/toilet_paperholder-_inner.stl
[+] Cleaning non manifold
[!] Total removed V: -2.61%, E: -2.61%, F: -2.61%
[-] Object is malformed
[+] Deleting bad source : downloads/1318612/toilet_paperholder-_inner.stl

[+] Getting object #1
[<] Importing : downloads/157044/AxisPointer.stl
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: 0.00%, F: 0.00%
[+] Preparing : AxisPointer
[+] Rotating object = AxisPointer
[!] Volume difference is 0.17%
[+] Scaled AxisPointer by 387.46%
[+] Created duplicate : Ring 02.001
[+] Staging objects : ON_RIGHT
[+] Union between : Ring 02.001 & AxisPointer
[!] Number of faces #1 : 29280 + number of faces #2 : 84 = 29364
[!] Number of faces of union: 29099
[+] Cleaning non manifold
[!] Total removed V: -0.01%, E: -0.00%, F: 0.00%

[+] Getting object #2
[<] Importing : downloads/698470/file_handle.stl
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: 0.00%, F: 0.00%
[+] Preparing : File Handle
[+] Rotating object = File Handle
[!] Volume difference is 1.39%
[+] Scaled File Handle by 192.94%
[+] Created duplicate : Ring 02.000
[+] Staging objects : DEFAULT
[+] Union between : Ring 02.000 & File Handle
[!] Number of faces #1 : 29099 + number of faces #2 : 33430 = 62529
[!] Number of faces of union: 61274
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: 0.00%, F: 0.00%

[+] Getting object #3
[<] Importing : downloads/886887/skull.stl
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: -0.02%, F: -0.03%
[+] Preparing : Skull
[+] Rotating object = Skull
[!] Volume difference is 0.01%
[+] Scaled Skull by 1143.12%
[+] Created duplicate : Ring 02.001
[+] Staging objects : ON_RIGHT
[+] Union between : Ring 02.001 & Skull
[!] Number of faces #1 : 61274 + number of faces #2 : 3271 = 64545
[!] Number of faces of union: 64554
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: 0.00%, F: 0.00%

[+] Getting object #4
[<] Importing : downloads/870943/Cribbage_2.stl
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: 0.00%, F: 0.00%
[+] Preparing : Cribbage 2
[+] Rotating object = Cribbage 2.005
[!] Volume difference is 0.03%
[+] Scaled Cribbage 2.005 by 664.81%
[+] Created duplicate : Ring 02.000
[+] Staging objects : DEFAULT
[+] Union between : Ring 02.000 & Cribbage 2.005
[!] Number of faces #1 : 64554 + number of faces #2 : 778 = 65332
[!] Number of faces of union: 59347
[+] Cleaning non manifold
[!] Total removed V: -0.00%, E: -0.00%, F: 0.00%

[+] Getting object #5
[<] Importing : downloads/1397535/enable_opening_a_doorknob.stl
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: -0.04%, F: -0.05%
[+] Preparing : Enable Opening A Doorknob
[+] Rotating object = Enable Opening A Doorknob
[!] Volume difference is 4.37%
[+] Scaled Enable Opening A Doorknob by 131.82%
[+] Created duplicate : Ring 02.001
[+] Staging objects : BOTH_LEFT
[+] Union between : Ring 02.001 & Enable Opening A Doorknob
[!] Number of faces #1 : 59347 + number of faces #2 : 44 = 59391
[!] Number of faces of union: 59291
[+] Cleaning non manifold
[!] Total removed V: 0.00%, E: 0.00%, F: 0.00%

[>] Exporting STL to : /uploads/20160703-0704-16