Copter Parts – Download Parts STL files are available for download by section of the quad-copter. All STL files are in millimeter units. The 3D images can be rotated and zoomed for visibility. STL file download sections: Fuselage Body Download Page Arms and Motor Mount Plate Download Page Battery Trays and Door Download Page Landing Gear Legs and Feet Download Page Flight Controller and Equipment Trays Download Page Fuselage Lids and Domes Download Page