Write your own 3d printer slicer8/9/2023 ![]() ![]() Leave the default threshold of 150 in place. Make sure the operation CT NRRD to Bone STL is selected. Next, turn on democratiz3D Processing by selecting the slider under democratiz3D Processing. Make sure you accepted the Terms of Use, as shown in Figure 9.įigure 9: Basic information fields about your uploaded NRRD file If you are keeping the file private, these settings don't matter as the file will remain private. If you are planning on sharing it, do you want it to be a free or a paid (licensed) file? Click the appropriate setting. Do you want it to be private or do you want to share it with the community? Click on the Private File button if the former. To complete basic information about your NRRD file. ![]() ![]() While NRRD file is uploading, fill in the "File Name" and "About This File" fields, as shown in Figure 8.įigure 7: Launching the democratiz3D applicationįigure 8: Uploading the NRRD file and entering basic information Drag and drop your NRRD file where indicated. Now go to click on the democratiz3D navigation menu and select Launch App, as shown in Figure 7. This is important when sending information over the Internet because we do not want identifiable patient information transmitted. Also, identifiable patient information is removed from the NRRD file. Instead of having multiple files in a DICOM data set, the NRRD file encapsulates the entire study in a single file. The NRRD file is much better for uploading then DICOM. click on the directory button for the NRRD file and select an appropriate directory to save the file. make sure that this file is checked and all other files are unchecked. One of the files in the list will be of type NRRD. Once Slicer has finished loading the study, click the save icon in the upper left-hand corner as shown in Figure 5. Click Copy when asked if you want to copy the images into the local database directory.įigure 3: A typical DICOM data set contains numerous individual DICOM files.įigure 4: Dragging and dropping the DICOM folder onto the Slicer application. Click OK when asked to load the study into the DICOM database. Drag-and-drop the entire DICOM folder onto the Slicer welcome page, as shown in Figure 4. You should find a folder that contains numerous DICOM files in it, as shown in Figure 3. Next, launch Slicer. Insert your CD or DVD containing the CT scan into your computer and open the CD with File Explorer or equivalent file browsing application for your operating system. It also has the ability to save medical imaging scans in a variety of formats, which is what we will use it for in this tutorial. Slicer is a free software program for medical imaging research. If you haven't already done so, go to and download Slicer for your operating system. The democratiz3D service will use this email account to send you notifications when your files are ready for download. Click the link in the email to activate your account. Once you are registered you'll receive a confirmatory email that verifies you are the owner of the registered email account. Registration is free and only takes a minute. If you haven't already done so, you'll need to register for an embodi3d account. There are multiple online repositories of anonymized CT scans for research that are also available.įigure 1: The radiology department window at my hospital.įigure 2: An example of what a DVD containing a CT scan looks like. If you are a doctor or other healthcare provider and want to 3D print a model for a patient, the radiology department can also help you. Most radiology departments will have you sign a written release and give you a CD or DVD for free or with a small processing fee. Figures 1 and 2 show the radiology department at my hospital, called Image Management, and the CDs that they give out. If you are interested in 3D printing your own CT scan, you can go to the radiology department of the hospital or clinic that did the scan and ask for the scan to be put on a CD or DVD for you. Before we start you'll need to have a copy of a CT scan. ![]()
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