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Dr. Mike

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Everything posted by Dr. Mike

  1. Version 1.0.0

    1 download

    This two piece hollow heart model is derived from a high quality CT scan. The two halves can be kept separate to illustrate anatomy inside the heart, or they can be fused together to make a single piece realistic hollow heart. The cut plane is along the long axis of the heart, which allows for a perfect four-chamber view of the heart. Right and left ventricles, right and left atrium, SVC, IVC, pulmonary arteries and pulmonary veins are present in the model. Other heart models I have made: Heart Top.stl


  2. Looks like a great file. Thanks for sharing. I'm going to feature it.
  3. How was it? I've always wanted to attend but it never seems to work out.
  4. Ooooh, this looks interesting and worth investigating. I'd love to implement a 3D viewer on this site. Thanks Terrie!
  5. Not sure what settings you used, but you might want to increase the threshold value so that more of the soft tissue is excluded, thus making for a cleaner bone model. The default value is 150 Hounsfield units. Try 250 and see if that helps. Good luck!
  6. It is just the bones. So structures like the brain are not included. Hope this helps.
  7. This is really interesting article about using 3D printed needle guides (see picture) for tumor localization prior to breast conserving surgery in breast cancer, specifically ductal carcinoma in situ (DCIS). The report was published in Nature! The unique angle here is that the guides can be created from MRI, which can show the tumor most accurately. More traditional methods of pre-op localization involve mammography or ultrasound localization. There were only 11 patients in this study, but it is a very interesting application of 3D printing technology to allow MRI to be used to guide surgeries.
  8. Nice post. It great to get kids into 3D printing, but safely. The technology will only get better and they are the future!
  9. Well, one thing you can do is segment and put the finished digital models up for sale on Embodi3D. If you create a good model that is of interest, you can make a good deal of passive income. It helps if you go the extra mile and modify the anatomy to make a better model, like I did with slicing my heart segmentation model below. It is also helpful to add a nice description and pictures/videos. We have everything you need to do this on Embodi3D, including a large library of anonymized scans to start with. Spend a few hours designing a nice model and you can generate passive income for years. Hope this helps.
  10. Interestingly, their medical services were positive in Q3 2020 vs 2019, implying that there is still strong demand on medical 3D printing despite the pandemic and recession.
  11. You need a source for the data. Do you have a CT scan of a rabbit?
  12. Valchanov, the snapmaker sounds like a pretty cool concept. Agree though that 3-in-1 almost sounds too good to be true...
  13. I put it in my city general plastic recycling bin. The city specifies rigid plastics can go there, and other PLA products like milk cartons can be recycled, so I think it is fine. PLA is also biodegradable, so I guess in theory it could also go into biowaste. Check with your local ordinances and rules.
  14. Formlabs resin is only approved for mucosal contact, not full implantation. It is possible to print in titanium and stainless steel, but these prints are somewhat porous and not solid like machined metal. They are being printed and implanted on an experimental basis. Here is a news story about one company that does this.
  15. If you want the two parts to articulate, you can insert a small metal hinge at the joint to facilitate the motion. Has anybody used a small hinge in this way to allow motion in a 3D printed model?
  16. To enhance security on the site, 2-factor authentication is now available. It is recommended that you enable 2FA to reduce the risk that your account could be compromised. Currently, there are two methods available - the Google Authenticator phone app and security questions. Google Authenticator is the easiest and more secure option. To enable 2FA with Google Authenticator do the following: 1) Log into your embodi3d.com account 2) Go to your account settings by clicking on your username at the top right and choosing Account Settings 3) Go to the Account Security menu and choose to Enable Google Authenticator. If you don't yet have Google Authenticator on your mobile phone, you can download it from the Google Play or Apple Iphone store. It is free. 4) You will then be shown a scannable QR code (blurred in the picture below). Scan this using the Google Authenticator app on your phone. IT IS RECOMMENDED THAT YOU PRINT OUR THE QR CODE SCREEN AT THIS POINT AND KEEP THE PRINTOUT IN A SAFE AND SECURE PLACE. IF YOUR PHONE IS EVER LOST OR STOLEN, YOU CAN USE THE PRINTOUT TO RECONFIGURE GOOGLE AUTHENTICATOR ON A NEW REPLACEMENT PHONE. The google authenticator app will display a 6 digit code that changes every 20 seconds or so. Type in the current code to confirm that your phone is set up properly. That is it! Now you have 2FA on your account and greatly enhanced security!
    I've printed this model many times, both in PLA and using stereolithography resin. The images below are an example using polished clear resin that the embodi3D service uses. Make sure to use adequate support for the fine structures inside the heart chamber and it should turn our great. If you don't want to print it yourself, you can order it printed through the embodi3D print service.
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