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Archive for August 12th, 2011

Longboard Camera Phone Mount by minipimmer

Posted by on Friday, August 12, 2011 in Thingiverse, Video
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Check out minipimmer’s longboard camera mount! 1 2  While designed for his specific camera phone, phone case, and board – the ideas here could easily be adapted for use with just about any combination of phone, camera, and skateboard.  Minipimmer offers a sage disclaimer that “Note this is meant to take movies while cruising and going around in a calm way, this is not meant for tricks, please don’t blame me if you use this and you run over your phone!!”

Now I’m thinking someone just might need to design one that is designed to hold a camera/phone in place during tricks.  Also, how about a snowboard cam mount!

Samsung Galaxy S phone skateboard mount by minipimmer
This is a simple mount to attach a mobile phone to a skateboard to record movies. It is made to match the shape of a Samsung Galaxy S but may be modified to fit other phones easily. The mount is split in two pieces which makes it easy to print and also allows to easily detach the phone from the skateboard when not in use without having to unscrew anything. The bottom piece is meant to be screwed to the board. The holes are made to match the existing holes in the board used to hold the wheels, some boards (specially longboards) have spare holes so you can change the distance between the wheels. These spare holes can be used to hold the bottom piece. If you don't have spare holes you might need to make them :-(. The union between the two pieces is based on friction and there's 1mm of gap between the hole and the peg, depending on your printing results you may need to adjust this so that they hold tightly. Note this is meant to take movies while cruising and going around in a calm way, this is not meant for tricks, please don't blame me if you use this and you run over your phone!! UPDATE: I made an enhanced version with a leg and a slightly bigger bracket to hold the phone with a rubber cover. The model name for this version is "grapaFUNDA". UPDATE #2: Here comes a lame video I recorded using this: youtube.com/watch?v=qzGVhhiwzAs
This thing brought to you by Thingiverse.com
  1. aka “ShoeCam” [↩]
  2. I made that up. [↩]
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Robotic Hand by armjunkie

Posted by on Friday, August 12, 2011 in Thingalert

Robot hand!

I didn’t really “get” this amazing Robotic Hand until I saw it in printed form.  Thingiverse user armjunkie has really achieved something awesome here: it’s a string-actuated hand with as many articulations as in a human hand; it’s mostly printed, using just a few metal parts as connectors (props to anyone who designs a screw-less version using tbuser’s pin connectors).

This is quite an old design, at least in Thingiverse terms, but armjunkie has just updated it with a series of photos like this one (including a Flickr set)  and even a few videos of the hand in action.  It’s nice to see someone with both the vision to conceive of something like this and the tenacity to bring it to fruition.

Here’s a hearty “well done” from all of us at the Botcave!

Robotic Hand by armjunkie
I would like to create this using a 3d printer. Dental rubber bands for braces act as tendons and hold the hand in a rigid state. When strings are pulled corresponding joints will fold, making the fingers open and close. I plan to have servo motors pull and release the strings.Here is a video of an earlier revision:youtube.com/watch?v=fKrzORMTyOEA crude prototype of the concept made from tubing, rubberbands, and zip ties:youtube.com/watch?v=_mID_RQ7qIsTesting of the "controller" glove. Only a single flex sensor installed:youtube.com/watch?v=OmnV2m10EykOriginal inspiration for this project is from:sciencetoymaker.org/robothand/assembl.htmlVideo of the Printed Robot Hand in action:youtube.com/watch?v=WPuke73UgL4Flickr Set:flic.kr/s/aHsjvC1JYr
This thing brought to you by Thingiverse.com
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