Spindle multiplication, holder

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[>>>] Generating Attributions log:

[0] Thing Title : Learning to Model for Print (Video Series)
[0] Thing URL : http://www.thingiverse.com/thing:43666
[0] Thing Author : jasonwelsh
[0] Thing Licence : Creative Commons - Attribution - Share Alike

[1] Thing Title : Blocks for logarithms, multiplication, factors, and primes: The Logprimus
[1] Thing URL : http://www.thingiverse.com/thing:184033
[1] Thing Author : seedwire
[1] Thing Licence : Creative Commons - Attribution - Share Alike

[2] Thing Title : Tri copter X bow V2
[2] Thing URL : http://www.thingiverse.com/thing:227974
[2] Thing Author : Phil_Maddox
[2] Thing Licence : Creative Commons - Attribution - Share Alike

[3] Thing Title : Live Long and Prosper Hand
[3] Thing URL : http://www.thingiverse.com/thing:320670
[3] Thing Author : agentJK
[3] Thing Licence : Creative Commons - Attribution - Share Alike

[4] Thing Title : TBS Discovery battery and