About this 3D model

I don't really own an Echo Dot to test but this is my entry for this competition. I will illustrate only how it works, the dimension of Echo Dot is mostly accurate and the gripper is adjustable. This Articulated Holder can hold also an IPhone for Siri. Bill of materials: Printable parts: 1x – Back Plate.stl 1x – Base Clamp 25.stl (for 18mm thick table top panel) 1x – Base Clamp.stl (for 30mm thick table top panel) 2x – Clamp.stl 2x – Knob M3.stl 3x – Knob M4.stl 1x – Knob M5.stl 6x – Knuckle.stl 2x – Mounting Tube V2.stl 2x – Tube 16x100.stl (instead of this, I use empty Marker - see images) Additional hardware: 1x M5 bolt 2x M5 nuts 1x M5 washer 5x M4 bolts and nuts 2x M3 bolts and nuts with washers 4x M3x5 bolts with washer 8x Metal screw