Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

Round II: Nightscout Dexcom-Moto G case

by MadsRing, published

Round II: Nightscout Dexcom-Moto G case by MadsRing Sep 16, 2014


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This case holds a Moto G phone, the Dexcom G4 reciever and the TTVJ Micro USB to Micro USB cable together. It protects the Dexcom port very well, and its easy to snap off the phone for charging. We made sure the Dexcom doesn't block the phones camera. You can purchase the cable here bit.ly/19uLplH. It only works with this cable, we chose it because of its length and quality. Remember, the red end goes to the phone. The file is available for download so if you have access to a 3d printer you can print it and modify. We would love to see what you do with it. If you dont have access to a 3d printer you can just purchase it from Shapeways: https://www.shapeways.com/shops/Rounds. The quality and material will be perfect.
How to assemble: https://www.youtube.com/watch?v=LnTJ9gSJb2g
Please give feedback, and would love to see pictures of your device on the CGM in the Cloud Facebook group. Aloha. The Rounds Crew. Mads, Sara and Ian. http://rounds.linehq.com.

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Hello, We are trying to print this part with PLA clear on high res with supports. How did you print this item? We aren't having success with it. The supports really stick to the part and the printer doesn't complete a couple of layers on the sides.

I sent files to company and they asked if I was looking for the SLA process. I responded I was thinking FDM, because I wanted cheap and strong. They quoted me 2 cases fdm patterns ABS material for $310. I'm guessing I asked for the wrong thing....or you just offer a super great deal at $60 each. Can you advise me - did I order properly? TIA

Hi. I've purchased your pretty case on Shapeways one month ago.
A question: which printer did you use to print the case? Because I like this object and I ll be interested to purchase one similar for my hobby.
Thank you!!

When you printed this how was the part positioned? The model defaults to standing up, but that is too tall for my printer. But laying it down makes me worried about bridging issues. Thoughts?

Is this for generation 1 or generation 2 of the Moto G? (I have just got a generation 2 - XT1068 - which I think is slightly bigger than gen 1).

I wanted to know if you had the native file, (Solidworks, Pro E, etc).
Also, I saw you removed the latch that held the dexcom. Was there a reason, because I was going to edit the file to put it back?

Hi. After testing it we deemed the latch unnecessary, the dexcom is held very well by the case without it. Cant you take the IGS file and import it into Solidworks?

Thanks for the reply. Solidworks is having an issue with some of the faces and cannot resolve them. I'm trying to make one that doesn't use the ttvj cable and has a charging input, (for the cgm, my moto wont charge while in OTG mode).

Same here, I can get the raw object in but editing it is not very easy. The feature recognition fails to figure out all those filleted edges. A native file would be helpful.

I have used Blender to makes some drastic changes. The Moto-g never fit great in the case so I swapped out that side with a fitted moto-g case body. Now it snaps in with a nice "click". I also resolved some FDM print issues related to the text on the side leaving unprintable areas and holes in the print, the Owl is now a relief on both sides instead of a cutout, and the base has all flat edges instead of the very small contact patch of the filleted edge.

But it would look nicer made in Solidworks.

Is there any way you could upload the original design files? What software are you guys working in?

We use Solidworks, but you can take the IGS file and import that. Work very well, we already got Ara to make a remix for nylon prints.

Thanks for sharing the designs.