Customizable flexible name bracelet
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Published on February 3, 2013
This thing can be customized with MakerBot Customizer!
Open in Customizer
Description
A flexible bracelet you can adapt to your liking, and add your name, or another text, on.
Instructions
Open it in the customizer. As bracelet stretches, give inner radius so as to sit nicely on your wrist. Set outer radius, set height, and set the text you want on the bracelet, eg a telephone number where you can be reached!.
The text can be in relief, or as holes. When printing relief, make sure you print with 100% infill. Holes still must be tested on a printer, I assume you should print thick and slow so as to not jump over the holes too fast.
It is important that you give the nozzle diameter of your 3D printer, as this is what will make sure your bracelet does not break easily. The thickness is one nozzle diameter, if you want the bracelet thicker, set nozzle to 2 or 3 times your real nozzle diameter
The text can be in relief, or as holes. When printing relief, make sure you print with 100% infill. Holes still must be tested on a printer, I assume you should print thick and slow so as to not jump over the holes too fast.
It is important that you give the nozzle diameter of your 3D printer, as this is what will make sure your bracelet does not break easily. The thickness is one nozzle diameter, if you want the bracelet thicker, set nozzle to 2 or 3 times your real nozzle diameter
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wildseyed
on
February 7, 2013
said:
The zig zag spacing is too close, and produces closed triangles when you slice it.
bmcage
on
February 7, 2013
said:
The gap is 2 or 3 times the nozzle diameter, so if you give a correct nozzle diameter, and don't scale the bracelet in your slicing software, closed triangles should not be possible. I personally sliced with replicatorg.
With what variables are your running customizer? Perhaps big difference between inner and outer radius? I suppose this could end up with closed triangles.
License
Customizable flexible name bracelet by bmcage is licensed under the Attribution - Creative Commons license.
O.K. I had more time to look at what you are doing to construct the "Spikes", and I can see that this is where the problem is. There are two problems really, but only one affects the closed triangles.
On the outer rim, the "Spikes" come all the way out to the edge, and they are off to either side of letter faces. Ideally, you want the "Spikes" to come up behind the letter faces, the same way they (almost) do on the inner rim. This will leave that essential bit of extra room between the letter faces that will always work.
Since I mentioned the back faces, I may as well address the orther problem. The "SPikes" there push way into the inner faces, and this leaves a little bit of dangling face edges. It's probably too small to show up in most prints, but if you want to tidy things up, that's the place you want to look.
As I'm typing this, I'm noticing that the text also protrudes out the back of the letter face. I'm sure this is intentional, so that the letters can be printed as holes, but when not printing as holes, you should puch the letters outward a bit, so that they only print on the front. This makes for a cleaner print when using zero infill. Be sure to compensate for letter thickness. It would also be a nice addition to allow the adjustment of the letters to fill up more of the letter face.
If I have more time, I can feed you some snippets, but I'm still trying to wrap my head around the code to figure out what's what :)