Depending on your model, making the fix by hand might be fastest. There are a few quick ways to fix non-manifold edges. Also, since 3D printing requires at least SOME thickness, a flat plane will not be printable either and will show as “non-manifold” in the 3D-Print Toolbox check. There should be no holes or gaps between the edges on your mesh. The best way to think of it is “water-tight”. In 3D terms, a non-manifold edge is a gap in your object. These are different tools used to analyze the object or objects to ensure they are “water-tight” and there are no non-manifold edges. Important Pre-Printing Checksīelow the statistics, you’ll see a variety of “checks”. This impacts the planning either by knowing how much material to buy if you are printing the object yourself or by getting a good idea of the cost of an object if using a service like Shapeways. Volume is probably the most important value to keep in mind when 3D printing since it tells you how much material will be used.
Under “Statistics” at the top of the tab, there is a button for both Volume and Area, which give the respective values for each in the “Result” box further down that panel. This tab now gives you access to a variety of tools and info regarding your model and scene in regards to a 3D print. You will now see a “3D-Print” tab at the bottom of the vertical tabs, right beneath “Create”.
In the 3D viewport, press the N key to bring up the toolbar on the right side of the panel (if it’s not there already). Click the checkbox to activate it and close that pop-up window. Search for “print” to find the 3D-Print Toolbox add on. Navigate to Edit > Blender Preferences and click the Add-Ons tab in the left-hand sidebar. This add-on is included with Blender, but it needs to be turned on to use it. One must-have tool for prepping a model for 3D printing is the 3D-Print Toolbox add-on. Blender has a wide variety of plugins that can be used to improve just about any 3D modeling, animation, or rendering workflow, and 3D printing is no exception. 3D printing is an amazing new technology that allows companies, entrepreneurs, or hobbyists to bring their 3D models off the computer and into the real world.
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