I couldn't find any Twig Blight miniatures around, so I modified these to make some.
http://www.123dapp.com/123C-3D-Model/Creature-Tree-Monster/1186150
http://www.123dapp.com/123C-3D-Model/Ice-Golem/768215
http://www.123dapp.com/123C-3D-Model/Wood-Golem/1100600
EDIT: 3/31/17
I printed all the blights. The B type is very tricky to get out from the supports. I added a remix of Dutchmogul's Winter Treeman shrunk down by half and re-based. I'm printing it now.
4/1/17: Added - http://www.123dapp.com/creature/Tree-rex/5579035
Tree Rex as Twig Blight F - Printed 6 today.
Added pictures of all the printed blights, Kobold Shaman for reference is a Reaper BONES Miniature.