All the extrusion arrived really well cut, nice clean cuts with a good accuracy. motedis.co.uk is the place to go for resonably priced extrusion cut to length in the UK.
Base placed together to check fitment.
Motors are mounted with some m3 10mm cap screws with some rubberised ESD mat in between the corners and the motors. I hope to dampen motor vibrations, this should do the same job as the laser cut cork bits you can buy on ebay.