We can change their shape with a subsurface modifier (in this case, “Subdivision Subsurface”): They should be rounded at the ends (less “sharp”) and should be different colors as well. Our next task is to improve our sprinkles a little bit. This file is the result of my work after following along with the steps in the YouTube video. You can download the associated “.blend” file here.You can download a PDF copy of this post here.Notes below correspond to this YouTube video.I’ll be making additional notes for each of the videos in the series! Interested to find out more about creating 3D donuts and other unusual shapes and converting them into STEP models? Download a free white paper today to learn more.Just some notes I made while following along with this now-famous blender donut tutorial. Now that you have successfully created a 3D donut shape, the next step will be converting it into a STEP model so that you can utilize it as necessary in your designs. Switching to 3D Mode Reveals the Completed 3D Toroid Shape.Įven without access to more complicated 3D mechanical editing tools, complex component 3D models can still be created with ease using the flexible and powerful printed circuit board editing capabilities in Altium Designer. Switch to 3D mode (View/Switch to 3D or 3 hotkey) to view the results. Completed Inner and Outer Diameters.Ĭlick the right-mouse button to complete the shape. ![]() Begin Adding Arc Segments.Ĭontinue until the inner circle is completed. The inner circle has a 400 mil radius, so watch the dx and dy values in the heads-up display to add the arc sections at 400, 400 increments. Use the to swap the direction of the arc if it starts off the wrong way. Move the cursor back along the same path used for the outer circle. It is not necessary to adjust the radius setting, since the inner arc will be smaller. The inner diameter of the donut will now be drawn using a 400 mil radius. Position the Cursor to Draw the Inner Diameter.Ĭlick to lock in the line. Move the cursor 350 mils inside the circle to begin drawing the inner diameter. Since the outer and inner diameters of the donut are 1500 and 800 mils, the width of the ring is calculated as (1500-800)/2 = 350 mils. Do NOT end the drawing mode at this point. Adding the Next Arc in Altium Designer.Ĭontinue around the circle by steps of 750 mils to finish the outer diameter. Drawing the First Arc in Altium Designer.Ĭontinue on to (1500, 0) to add the next arc section. Watch the heads-up display and move the cursor down to (750, -750) and click to lock in the first arc. Use these keys to set the radius to 750 mils (for a 1.5-inch diameter donut). Use the or to change the radius in steps of 10. The and keys decrease and increase the arc radius while the shape is being drawn (so chosen because the symbols are on the same keys). The (without the Shift) will toggle and change the direction of the arc. Use to toggle the drawing mode until the heads-up display shows the “Line 90/90 Vertical (Horizontal) with Arc (Radius: xx)” mode. ![]() Using the (0, 0) point as a reference, click there to start to customize the shape. Click OK to close the dialog and enter the drawing mode. ![]() The Overall Height is going to be the same as the width of the donut, 475 mils. ![]() The Layer should be any visible mechanical layer. The Body Side should default to Top side. In the 3D Body dialog, set the 3D Model Type to Extruded. Start the 3D body drawing mode from the Place/3D Body menu. PcbLib file, set the snap grid (G hotkey) to create something large and easy to work with, in this case, 50 mils. The dimensions for the donut are 1.5-inch outer diameter, 0.8-inch inner diameter, and 0.475-inch size width. Create the Donut for Use in Your PCB Design The 3D Donut Shape Models These Coilcraft Toroid Inductors. Let’s take a look at creating shapes in your PCB. A 3D donut, however, is what we will be focusing on today. Although a hole cannot be cut out of any of the Altium-created shapes, a donut shape can still be achieved by essentially creating a closed “C” board shape. A board outline can be extremely helpful and can even produce shapes like the polygon (polygon pour). It is generally very simple to create realistic 3D mechanical shapes in Altium Designer ® using the included Extruded, Cylinder, and Sphere shape types in the PCB Library editor.
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