The idea is simple: cut the bottom (or side) of a cardboard box in the shape shown in the picture below. Then blue the tough pieces of wood in the four corners. They will act as raisers and have to be tough enough to withstand the pressure of your palms propped against the laptop rest pad area. Also glue some U-shaped cardboard pieces on the four corners to make sure your laptop stays in the right position all the time.

The cardboard frame

After those steps you already have a laptop desk stand with an inch or so of space beneath it. To make the air below your laptop flow, thus cooling it you can use a cheap USB fan like this one. It’s USB powered and flexible enough to be oriented toward your side and bottom of the laptop at the same time. If you want more cooling you can use bigger raisers and even buy a second USB fan. It’s up to you.

This is how it will look like in the end

If money is not problem then you can take a look at more professional laptop cooling stands.

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Whole assembly completed

Cost of the whole operation was 20$ (not including the tools you should have around your house) and included things like angle iron and bolts. The key to this operation is to measure first the diameter of your gym bike handle and purchase the right materials, then measure twice (cut once), screw some bolts in the holes you’ve drilled and mount the laptop stand tray horizontally. You can also put some reinforcing bars X-shaped to ensure no wobbling occurs while you do your workouts. Here’s the video explaining everything:

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