Naked GoPro mounting kit is also available from the link below:

      https://avantquads.com/products/Ciro-3-Naked-GoPro-Mounting-Kit.html

        Specs:

• Weight: 33g (+/-2) with TPU parts
• Motor to motor diagonally: 143mm (Squished X configuration)
• Main plate thickness: 3.5mm
• Top plate thickness: 1.5mm
• Motor mounting pattern: 9mm and 12mm (M2 holes)
• FC mounting pattern: 20x 20mm and 16mm x 16mm (M2 holes)
• Prop size: 3" 

        Features:

•  1x 3.5mm thick unibody main plate (Chamfered / Cut in 45deg)
•  1x 1.5mm thick top plate
•  4x D3.5 25mm aluminum textured grip standoff
•  1x 3d printed TPU camera mount (Fits Nano size camera with 14mm mounting pattern)
•  1x 3d printed TPU vtx antenna mount (Fits RUSH Cherry vtx antenna)
•  1x Non slip lipo pad
•  1x Non slip Lipo strap (210mm Long)
•  12x M2 x 6mm high tensile steel screw (For motor)
•  4x M2 x 8mm high tensile steel screw (For main Plate)
•  4x M2 x 6mm high tensile steel screw (For top Plate)