Most recent homemade device
- A new make-it-yourself gadget here every couple of weeks - devices that fulfill some useful function - made with household materials using common tools - easy to build and small in size - links at the bottom of the page for devices previously presented.

laptop base:

Doing a lot of keying on a laptop computer causes the hands to hurt and tires the neck and eyes. You can't look straight ahead. You look down at the screen. Sit the laptop on a table and your wrists have to be bent to align with the keyboard. To keep your wrist straight the keyboard has to be much lower. Put the keyboard lower and your gaze becomes even more downward. It makes you want to lean over, then the back starts hurting.

I came up with a partial solution that helps a lot. I made a wedge shaped base that that is placed under the laptop. Then the keyboard is at an angle so the wrists don't have to be bent, even with the laptop sitting on a high table or countertop.

I made the structure by cutting the shape shown below from corrugated cardboard from a grocery store box. A piece of clotheshanger wire was used to reinforce the structure. The red lines in the picture below marks the fold lines. I pressed a drywall trowel edge into the cardboard at each fold to force the fold to form were it should. White glue holds all the overlapped areas which were held together with weights until the glue dried.

This is the shape needed for the cardboard cutout.
The two ends are lapped. The wire is put in place before applying glue. It is placed between layers.
The finished laptop base.
The keyboard is at the same angle as the line of the arm and hands when the laptop sits on a table and the operator is sitting in a chair.

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My homemade devices previous posts
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