http://untestedprototype.com/2014/01/hammer-mini-h-quad-v2-0-plans/ In .stl form! Base modified to accept the flight controller from the Eye One Xtreme (add standoffs) Arms modified to fit Tiger Motors MT1306-3100 motors Print the following: Arms x4 Base x1 (that's right - only one needed) Top Plate x1 Please link to the original art when publishing derivatives: http://untestedprototype.com/2014/01/hammer-mini-h-quad-v2-0-plans/ Just a wonderfully performing model that is extremely crash resistant. Have yet to break a part due to flexibility of the arms and the lightweight of the model. Improvements to be made: Add integral standoffs for the flight controller. Add FPV camera mount. Quick detach arms Photos to be added soon. Printed parts kits available for purchase soon.ABS, 25pct infill, .3mm layer height, 3 shells top, bottom and sides. Adding infill or shells will add to the overall weight, may effect flight performance and reduce crash survivability. Parts: Tiger Motors MT1306-3100kv 5x3 gemfan props 2s lipo 30mm nylon top plate standoffs (x4) Reuse flight controller rubber dampeners, add longer 2mm screws/nuts to secure.