Cage ball

by Crab, published

Cage ball by Crab Nov 10, 2010

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Cage ball by Crab is licensed under the Creative Commons - Attribution - Share Alike license.

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This is a small cage ball that can be a christmas ball attached to a christmas tree

My laser machine cuts this through openoffice wich is a free software. Openoffice can export to other formats but i can't test if it is suitable for your machine.
But if you re-worked the plan in a format more suitable for you and send it to me, i will be honoured to post it here.


The .odg cuts 3 balls
put two circles in place with the tools and start to glue the arcs
once half the arcs are sets and dry, remove the tools (maybe insert another thing in it) and glue the rest of the arcs.

Paint as and if you wish

.dxf are not tested, i "print" directly the .odg with my lasercutter

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Thank you for the recommendation. Which model of epilog did you choose.
I am just a hobbyist wanting to be able to lasercut and USD 6000 is quite some investment for that.

On http://www.epiloglaser.com/zing_laser.htm, what they call "low price" Epilog Zing 16 Laser cost me 11k Euros 10 years ago.
The actual prices seems not publicly availlable, must call (old school commercials... their choice).
For something more affordable there is https://fslaser.com/Product/Hobby, not the same quality but it will cut.

Which laser cutter can you reccomend ?

a zing laser cutter ( http://www.epiloglaser.com/zing_laser.htm ), it cuts every weeks for many years now.

When I open the dxf file I get the option to make a unit equal to like an inch millimeter etc., what should i make it equal to? It seems to be about right at millimeter. Is that what it really is?

it was designed in millimeters for 3mm MDF (1/8" ?...). check before cutting that slot are 3mm large or scale to the thickness of your material.

The sequence seems to be gone - is there an updated link?

Fixed it. Thingiverse often breaks old comments by re-formatting them.

Also I now think it's easier to make more of the extra discs from the jig and just glue them in place as part of the ball. Avoids worrying about the glue catching where it shouldn't, and it makes adding the bars easier to align.

Cool, thanks!

Comments deleted.

Thanks for posting dxf... not familiar with odg... I import dxf into Corel Draw then send to Epilog.

Thanks again.

I design with openoffice/libroffice (http://www.libreoffice.org/)http://www.libreoffice.org/) and send to... epilog

so my friend can design with this free software and send me to cut :)

let me(us) know if these dxf works for cutting

you mention dxf files but I must be blind.... cannot find the dxf files for my laser cutter...

Any chance of re-posting? thx

Wonderful design. Could you include an image of the assembled tools and how they are used?

They look great!

However, I was wondering if you couldn't save a lot of material and cutting cost if you changed the design so the ribs lie flush against each other. The ribs would wind up being a bit fatter in the middle than at the ends, and you'd have to get rid of the spur connecting each rib to the circle at
top and bottom, but you may not need that much glue surface anyway.

This way, you should be able to get at least twice as many balls out of the same size sheet, using the same amount of cutting.

Of course but they wouldn't look the same ^^.

The plan is open source, please be my guest ;)