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The Octavius Grabber Claw Parametric Length

by jasonwelsh, published

The Octavius Grabber Claw Parametric Length by jasonwelsh Jun 23, 2013

Description

This could be a toy or a tool.
Myself, well I have been snatching things from my kids like toys, and trying to pick up weird objects ever since I made it.

That is me however, I would say that a person that could not bend to pick up things would love this design.

So whether you use it to pick up the remote from the floor / snatch fruit from a tree / grab a frog from the pond / chase your kids with it, etc etc etc good or evil I'll leave that up to you ;)

Watch the video to see it in action
youtu.be/mu5-Asg70ik

Recent Comments

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Thank you! I think I will make this for a couple of my nephews:)

Superb! Thanks for sharing with all of us. :)

weird these msgs never entered the dashboard feed.

I used cpvc 1/2 not to be confused with pvc --- look for the light tan pipe used for both hot and cold water in your house. It has a 1/2 ID and a 5/8 OD. And is very cheap.

The Elastic is http://www.joann.com/dritz-rou...

love that stuff ;)

Print at 100% for it to fit the 1/2 cpvc

Hope that helps , sorry did not see these msgs earlier

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Instructions

You will need the following required things.

4- 3mm x 25mm screws
1- spool of 30 lb fishing line
1- piece of cpvc any lenght
1- elastic string (around the size of 1.75 Filament) Found in most craft stores

PlA 3mm and 1.75mm for making PLA spikes
youtube.com/watch?v=WqNxYHWpYko

Plasti Dip- an amazing product that you can dip your printed items in to give them a rubber coating.

plastidip.com/home_solutions/Plasti_Dip
I used that on the finger tips.

Other Building tips can be found here

youtube.com/playlist?feature=addto&list=PL7tGtxtIW0IzaJbtCSCtwRCbpqpKpYqT7

Comments

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unknownhand on Dec 11, 2013 said:

Thank you! I think I will make this for a couple of my nephews:)

Charles on Aug 12, 2013 said:

Superb! Thanks for sharing with all of us. :)

jasonwelsh on Jul 17, 2013 said:

weird these msgs never entered the dashboard feed.

I used cpvc 1/2 not to be confused with pvc --- look for the light tan pipe used for both hot and cold water in your house. It has a 1/2 ID and a 5/8 OD. And is very cheap.

The Elastic is http://www.joann.com/dritz-rou...

love that stuff ;)

Print at 100% for it to fit the 1/2 cpvc

Hope that helps , sorry did not see these msgs earlier

monstasaurous on Jul 16, 2013 said:

Also, what kind of elastic string did you use? I used Elastic Cord (http://www.beadalon.com/elasti... which doesn't seem to be... well, elastic enough :p

monstasaurous on Jul 16, 2013 said:

Hum, I printed at the default scale, and found out I had to track down a some 5/8th inch acrylic tube to fit the pieces.

What diameter PCV did you use, and did you print it at 200%? Or maybe just happen to have some small PCV lying around?

Lilith89ibz on Jul 5, 2013 said:

I think sugru would be good around the tips. You can shape it however you want and give it some ridges. Great claw, thank you for sharing it :)

3080 on Jul 2, 2013 said:

Festo's robotic creation "Bionic Handling Assistant" Just like Doctor Octopus' Robot Arms. http://www.festo.com/cms/en_co.... Go to the "Film" tab in the middle of the page!

jasonwelsh on Jun 23, 2013 said:

Tennis balls are no problem. What are you using to pull the strings? If your not attaching it to pvc it will scale up just fine. ;)

At 200% you could use 3mm filament on all the joints.

Jason-wratten on Jun 26, 2013 said:

Thanks :-)
I was planning to use hobby servos to pull the strings

Jason-wratten on Jun 23, 2013 said:

Love this :-)
Is it large enough to pick up a tennis ball ?
If it is I want to put one on my quad-copter for picking up and dropping tennis balls

jasonwelsh on Jun 23, 2013 said:

The thumb's angle draws the object up if its a larger object. I think that would put a twirl on the object if it was smaller.

cain666 on Jun 23, 2013 said:

good design, but have you thought of having the fingers cross? so they pick things up to the palm and hold, rather than just with the fingers?

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