3D Printed Mini Portable Laptop Stand. 
These are fixed directly on the bottom of your laptop and give some space for air circulation to your laptop cooling fan.
Each can handle up to 5 Kg of load capacity. (As shown in physical testing)

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Design created in Autodesk Fusion 360 Software.
And it was printed with the help of Ender 3 pro using ABS+ material, with 0.1mm of layer height which gives more strength.
And for the shaft, a piece of my 1.75mm diameter black filament has been used.

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Click Here to download the 3D CAD model free of Cost.