My new upgrades… 3d printed belts holder / tool holder / feet. Improbable Construct’s z axis acme lead screw upgrade. Dual maker slide X axis and dual Y motors + belts. All being driven via TinyG and tgFX.
http://www.flickr.com/photos/rileyporter/8721188555/in/photostream
http://www.flickr.com/photos/rileyporter/8721188555/