Mounting bracket for solar panel bought in ACTION store. The objects mount to satellite mounting bracket that I repurposed for this project. 
Solar panel will be powering Mesh-tastic/core node via cable connected in different box.

Required hardware:

• 4pcs M3x16 screws (M3x8 will work too. I used longer and doubled up on nuts)

• 4pcs M3 nuts

• 1pc M5 screw (repurposed from satellite mounting bracket)

• 4pcs M8 screws, washers, nuts (to assemble panel to the arms. I know it's overkill - sue me. On pictures substituted by zip ties for testing)

My settings on stock ENDER 3:

• Material: PETG

• Temp: 240C | 70C

• Layer height:

  • Center: 0.2

  • Arms: 0.24

• Infill: 30% - gyroid

• Top/Bottom: 4L

• Walls: 4

• Cooling: 50% (I have fan duct that blows from two sides with stock fan so really about 25%)

• Build plate adhesion: Skirt