More acetone-vapor polishing experiments

acetone-vapor-polishing-experiments

If you’re thinking of trying the acetone-vapor polishing process to smooth your 3D printed objects you simply must check out [Christopher's] experiments with the process. He found out about the process from our feature a few days ago and decided to perform a series of experiments on different printed models.

The results were mixed. He performed the process in much the same way as the original offering. The skull seen above does a nice job of demonstrating what can be achieved with the process. There is a smooth glossy finish and [Christopher] thinks there is no loss of detail. But one of the three models he tested wasn’t really affected by the vapor. He thinks it became a bit shinier, but not nearly as much as the skull even after sending it through the process twice. We’d love to hear some discussion as to why.

There is about eight minutes of video to go along with the project post. You’ll find it after the jump.

[Read more...]

Keyboard concept uses magic trackpad

This is a keyboard alternative that [Sebastian] is building from two Apple Magic Trackpads. The multitouch devices are a good platform for this because they’re designed to pick up several events at the same time. To prototype the locations of the keys he’s using printable transparency sheets. He gives you a sense of where the home row is with a dab of clear fingernail polish that you can feel with your digits.

He may laser etch these pads once the key location is just right. This should give a bit of texture in itself and do away with the need for nail polish but we still like the ingenuity of that solution. The device is being developed in Linux, with some kernel hacking to handle the devices. We asked about source code and [Sebastian] is hesitant to post it because he’s been getting a lot of kernel panics. It sounds like once he cleans things up a bit he’ll share his work.

Don’t forget, there’s an easy hack to do away with the batteries in these things.

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