Castles, F.
Isakov, D.
Lui, A.
Lei, Q.
Dancer, C. E. J.
Wang, Y.
Janurudin, J. M.
Speller, S. C.
Grovenor, C. R. M.
Grant, P. S.
Article History
Received: 14 December 2015
Accepted: 22 February 2016
First Online: 4 March 2016
Competing interests
: F.C. is director of EPSILON 3D LTD registered in England and Wales, which manufactures filament of the general type reported in the Article. The remaining authors declare no competing financial interests.