ok lots of suggestions thanks.

just to give a bit of context, I want to get a really good finish on this like this. its machines from mdf, due to the complex nature sanding is not welcome



so with this stuff, put it first? then spray what ever colour over the top?

http://www.ebay.co.uk/itm/U-pol-Barc...AAAOSwBLlU1gcf


this suggests lots of sanding

http://www.ebay.co.uk/itm/Rustins-SA...IAAOSw3YNXbkca