Hey! This thing is still a Work in Progress.
Files, instructions, and other stuff might change!
Round dice (11.8mm) using a BB
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Published on December 2, 2012
Description
No sharp corners to hurt yourself.
Instructions
Print two times.
Open-side-down down worked best for me.
Instert a BB (4.5mm steel ball).
Use instant-glue to CAREFULLY join halves.
Trust me, having both index fingers glued to it sounds more fun then it really is.
Paint it, write on it, or modify the file and include numbers in the print.
Note: thinnest part is 0,6mm, it might not print well on some settings. Perhaps if you scale it up 10% you will get better results. But it's basically just 6 spheres combined with a larger sphere, then enclosed by a big sphere, and finaly cut in half. A free cookie to the person who will create a parametric version! ;-)
Open-side-down down worked best for me.
Instert a BB (4.5mm steel ball).
Use instant-glue to CAREFULLY join halves.
Trust me, having both index fingers glued to it sounds more fun then it really is.
Paint it, write on it, or modify the file and include numbers in the print.
Note: thinnest part is 0,6mm, it might not print well on some settings. Perhaps if you scale it up 10% you will get better results. But it's basically just 6 spheres combined with a larger sphere, then enclosed by a big sphere, and finaly cut in half. A free cookie to the person who will create a parametric version! ;-)
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License
Round dice (11.8mm) using a BB by Schorhr is licensed under the Attribution - Non-Commercial - Share Alike license.
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Neat idea!
- In theory, there's got to be a way to print this in one piece with external support, and inserting the steel ball during the print. Maybe putting a distraction-tower far away from the print would provide the timing window for the drop without altering the gcode?
- I have yet to post an example object, but I recently had extremely good luck putting sharp text on objects by indenting the surface by less than the nozzle width (avoiding overhangs), and then scraping a large sharpie back and forth to color in the non-indented surface. I think this same technique could be used on a sphere as long as the indentations are extremely narrow (small dice only).
- In theory, the seventh internal sphere creates an "edge" that the dice could hang on, much like having a flat-beveled edge on a normal d6. I wonder if it would make sense to instead intersection 3 ellipsoids or capsules (I'd really have to play with the geometry).
- Hmm, a parametric version without numbers would be easy to do, and I suppose with-numbers is just a matter of trimming the glyph-prisms to have a matching spherical "cup". I could give it a shot!
Cura has a "pauze at height" function where it inserts a code to move the head away and a M0 to pause the printer. This really helps in inserting objects like you suggested.
Thanks :-) Perhaps I should have made this my first parametric project :-) I suppose printing in one go would work, I used the uP to print open-side-down, and it worked nicely. With some support the sphere should stand well, though I never got sphere's bottoms to print nicely.
I'm thankful for any advice, now that I own a Printrbot as well. Text printing allways has been a problem.