Sphere60 eiffel style

by Crab, published

Sphere60 eiffel style by Crab Oct 28, 2010

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A kind of puzzle that builds a sphere with 4 different pieces

it's just for fun and because i like spheres

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i do not have .stl version of this thing
Maybe ask DaveD (hereunder in the thread),
It might be a way to convert from .dxf but i don't know how..
Could you post the .stl files? I want to print this on my printrbot, and need stl files. I'm not sure if/how to convert them.
which of the files did you tried?

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Sphere60 eiffel style by Crab is licensed under the GNU - GPL license.

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I cut this with openoffice/draw ( http://download.openoffice.org ) on a zing laser cutter ( http://www.epiloglaser.com/zing_laser.htm )

This is to cut in 3mm thick, for example MDF

cut until you got 24 wheels with 5 slots 40 wheels with 6 slots 60 curved with 2 circles 30 curved with 3 circles ... and some spares

insert 5 "2 circle curved" pieces between two "5 slot's wheels" once you get 2 of these, join them with the "6 slot wheels" and a "3 circle curved"

continue, you'll get the sphere

And many thanks to http://www.thingiverse.com/souriceaux06 for his conversion of the thing to ".dxf" format

thanks to http://www.thingiverse.com/amk for the plans of his derivative of 4mm with legs

Ok... english is not my main language... i do my best

<p>Could you post the .stl files? I want to print this on my printrbot, and need stl files. I'm not sure if/how to convert them.</p>

<p>i do not have .stl version of this thing<br>Maybe ask DaveD (hereunder in the thread),<br>It might be a way to convert from .dxf but i don't know how..</p>

<p>I tried to make a version but all cutlines where double so the wood became real crispy. As u can see in the picture of my version.</p>

<p>which of the files did you tried?</p>

<p>I made some test parts for this sphere today. Are you sure this is supposed to be for 3mm thick wood? I tried making parts with default sizing, and the holes were much too big to snap together. There was a ~0.5 mm gap where the parts should have fit snugly. When I tried scaling the design down so the parts would snap together, the result was too thin. The parts were so fragile that they broke when I picked them up.</p>

<p>I am using 1/8 inch thick wood, which is about 3.2 mm.</p>

<p>The design is for 3mm but it might work for 2.9, there's a couple of things you can check</p>

<p>- First the exact thickness of your sheets of wood, let's say +-0.1mm.</p>

<p>Don't rely on resellers, i already found an acrylic sheet with 2.8mm on a corner and 3.2 on the opposite. Resellers dont really bother with the difference between 1/8in and 3mm and i guess they eventually re-sand just for the aspect so you might have between 2.7 end 3.3mm. That's a 15% only glue can handle...</p>

<p>Use a caliper or by default stack 10 then divide</p>

<p>then scale or use an stable electric planer</p>

<p>- Caliber the laser, write on a paperblock the speed/power/results. Too munch power cook the wood and makes big cut lines. Find the power that just cut so you'll get the tinner cut line and keep the material properties intact</p>

<p>For example by reducing the thick of an mdf sheet to 1mm and scaling i built a sphere</p>

<p>Many thanks, I'll keep trying.</p>

<p>si vous voulez, je peux vous l'expliquer en francais</p>

<p>Amazing structure! congratulations, may you post it in cdr or eps vector?</p>

<p>I post it in .svg and in .odt, i'm sure that .odt works for me. openoffice is a free software that can export to various formats. I will post in others format as soon as i found a way to test them.</p>

<p>But if you export the file to a format working for u, it will be an honour to add it here :)</p>

<p>Looks like you could glue transparent paper in the inside to make a lamp.</p>

<p>Superb work.</p>

<p>Always a question, is it possible to have the file. Dxf?</p>

<p>really beautiful ;)</p>

<p>Wow! Beautiful!!</p>

<p>I'd also like to see this in dxf format or something else I can try converting to a type I can send to a 3D printer, instead of a laser cutter..</p>

Crab - in reply to DaveD

<p>why not... do you have free dxf editor to recommend?</p>

DaveD - in reply to Crab

<p>Er.. No idea what can edit dxf files. I was just hoping for a format I could import into blender or sketchup and change this from a 2D design to a 3D one so it can be printed. </p>

<p>Can openoffice/draw export to SVG files? That is a common type that can be imported by other programs..</p>

Crab - in reply to DaveD

<p>Yess it can, so do I.</p>

<p>I re-established millimeters and co, you'll have to check for the sizes and adapt to your machine and... let me know.</p>

<p>Looks amazing! Makes me wish I had a laser cutter.</p>

<p>WOW! That's beautiful! You have real talent.</p>

<p>absolutely awesome design work. :-D</p>