HACKBMTH for a Convertible Guard

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[>>>] Generating Attributions log:

[0] Thing Title : Small Floating Shelf
[0] Thing URL : http://www.thingiverse.com/thing:22264
[0] Thing Author : disruptit
[0] Thing Licence : Creative Commons - Attribution

[1] Thing Title : HACKBMTH Polargraph
[1] Thing URL : http://www.thingiverse.com/thing:77769
[1] Thing Author : MarkBenson
[1] Thing Licence : Creative Commons - Attribution

[2] Thing Title : Contour Map
[2] Thing U