Cheers @beefaroni nightshade does it perfectly. The interface is a bit of a nightmare just for one button though! The button to switch back and forth between the standard uv editor and nightshade helps with that at least.
If there is anyone clever out there who has managed to port the good old renderheads UVautoratio plugin to maya 2016 and would like to share, it would still be massively appreciated...
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This one is awesome and it's free: http://www.renderheads.com/portfolio/UVAutoRatio/
I've seen they have released the source code on github but It's kind of beyond me as to how to compile it and make it work with Maya 2016
https://github.com/RenderHeads/MayaPlugin-UVAutoRatio/tree/a014e50bca45ea3ad94c48ed81d904047017c39c
Any ideas? Or any viable alternatives? Thanks in advance...
http://www.creativecrash.com/maya/script/uvdeluxe
http://www.creativecrash.com/maya/script/nightshade-uv-editor
If there is anyone clever out there who has managed to port the good old renderheads UVautoratio plugin to maya 2016 and would like to share, it would still be massively appreciated...