Material-UI sketch files -

are there existing psd or sketch (preferred option) files mui components available?

http://www.material-ui.com/

i can use sketch build in material design template v2 mockups not sure if accurate representation of components prod design. , can cause issues later on.

http://www.sketchappsources.com/free-source/1601-material-design-sketch-template-v2.html

sketch has material ui template:

menu position