About this 3D model

This is a ninety percent complete model of the Mk 42 Forearm rocket launcher seen in Iron man 3. the internals of the design need a redesign because of they they don't perfectly match up. Needed materials: 3x servo motors 1x arduino nano 1x battery 1x m3,m4 hex bolt set Needed Tools: sandpaper soldering iron paint(if you want to paint and finish this)