Repurposing a ceiling fan into a pottery wheel

Pottery wheel

The wheel goes round and round as does [Lou Wozniak]. He’s come back to us, this time hacking together a pottery wheel from a cheap ceiling fan. This is a great use for a discarded or inexpensive fan and the build should cost less than $50. As you watch the video you learn that repurposing the ceiling fan was no simple feat. Lucky for us [Lou] spins through detailed construction procedures and doesn’t fail to cover every tip and trick. He really does think outside the box or should we say inside the bucket and peanut butter jar. The fan gets dismantled as well as rewired inside a 5 gallon bucket which is used as the pottery wheel housing and stand. A plastic peanut butter jar was used as a makeshift electrical junction box inside the bucket. He remounted the motor’s string operated speed switch on the side of the jar and routed the pull string out the side of the bucket. The fan motor should have three or four switch speed settings which might be enough control. If continuous variable speed control is desired he could add in a controller similar to [Ben Krasnow's] AC controller using one pin on a microcontrollerUPDATE: [AKA the A] tells us in a comment below that this controller won’t work with a ceiling fan, but we still really like [Ben's] project so we’re leaving this link here.

Most potters use significant amounts of water to wet the clay while they throw, so we have reservations about having the high voltages and open motor design directly under the wheel with no shielding. We know [Lou] could easily hack in a splash pan and of course always plug into a ground fault protected receptacle when using electrical appliances around water.

We do get to see the wheel in operation at the end of the video, which you can watch after the break. However, [Lou] makes no claims at being a pottery artisan.

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Sculpting clay with sound

A group of students at the University of Dundee have created this interesting prototype called Sound Sculpted. The goal was to sculpt clay using sound files drive the sculpting arms. Ideally, you would end up with pieces of art that were unique to each piece of music. As you can see in the video (after the break), they did a pretty good job of building this thing and getting the arms to respond to the music. It is almost hypnotizing to watch.

We can’t help but notice that there is a bit of a design issue. Since the 4 arms are fixed vertically, and the clay spins on the same axis they are able to move on, your variation will be very limited. We think this doesn’t detract from the project, but does offer a large area for improvement.

How would you change the sculpting arms or their motion to make each piece more unique?

[Read more...]

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