![]() You can leave the edges of an extrusion softened (i.e., hidden) it’s more important to disable “smooth” if you want to view the real faceting in the model. The term “soft” in SketchUp means to hide the edge, so that no visible line is drawn. By the way, “smooth” in SketchUp means to blend the shading across edges, which is the main technique used to produce smooth-looking renderings (thus the feature’s name “smooth”). To make your 3D model, open Sketchup and use a useful template like the one for 3D printing. Identify and prevent trouble 'overhangs' that keep. Recognize models that are created with 3D printing in mind and will be able to fix common mistakes found in many STL files. Create 3D models in an efficient way that will be suitable for printing on a 3D printer. ![]() You can unsmooth and unsoften the edges in a circular extrusion by showing Hidden objects (in the View menu), selecting the dashed edges, and using the Entity Info window to un-tick Soften and Smooth - or at least Smooth. Apply the tools and features in SketchUp Make to the creation of 3D CAD models. If you need to make adjustments, click Cancel, reopen the Print Preview dialog box, and make your changes. If you’re happy with the preview, click the Print button to start the printing process. The extruded circle will look pretty cylindrical (because the edges formed when extruding a circle or arc or curve are automatically smoothed and softened) the extruded polygon will look like a many-sided prism, which is how it will print. If youre a SketchUp Pro user, however, you also have LayOut. Push-pull them both into cylindrical objects. To see the difference, create a 24-sided circle and a 24-sided polygon. The printer will create the flat facets in the SketchUp model, not the sandpapered smooth look. These features are great for producing renderings of smooth- looking surfaces (which is of course their purpose), but they seriously mis-represent what you get from a 3D printer. ![]() Another modeling tip for producing 3D printed objects: do not use SketchUp’s visual smoothing and softening features.
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