The one at the right is the DS12 designed by Scarecrow and this is the Tabby12 designed by Ncik
http://www.gust.ax/images/Tabby.jpgThe plans for those and the Vudu 380 are available at the F12 forum, just send a PM to the designes.
Here you can find some building hints
http://www.gust.ax/gallery/f12/http://www.gust.ax/gallery/f12/2/