Building a Scooter Handlebar Component Using Extrusion and Shell Techniques

Creating and Positioning the Handlebar Component with Offset Planes and Sketches

Learn the step-by-step process of creating a handlebar component for a scooter using a 3D modelling software. This article provides a detailed guide on how to create and modify different components like the handlebar center, handlebar profile, and handlebar body.

Key Insights

  • The handlebar component creation begins by activating the top level of the project browser and then creating a new component named 'Handlebar' at the top level.
  • The construction process includes creating an offset plane at the center, sketching, and then constructing the handlebar through the center open portion of the clamp. It is essential to keep the dimensions accurate and avoid any projected geometry.
  • The handlebar is created by extruding the profile symmetrically and giving it a new body. The solid handlebar is then modified into a hollow one by shelling its faces and adjusting the inside thickness. Once the handlebar component is ready, it needs to be saved at the top level.

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I am so excited! Our scooter is now ready for its handlebar. To begin, let's make sure we activate our top level of our project browser. With that top level activated, let's go to Create and select New Component.

This component will be called Handlebar, and the parent is that top level. We'll click OK. We'll open up our handlebar to expose its inner folders, and now we will go to the Construct menu and create an offset plane.

We'll select that center plane with an offset distance of zero and click OK. In the Construction folder, that plane will be given a name. Let's call it Handlebar Center, and now we can create a sketch.

Let's make sure nothing is selected. We'll click out in space, go to the Create Sketch button, and pick Handlebar Center. Let's zoom up to our clamp.

Now we know that that handlebar will go right through the center open portion of our clamp. So let's go ahead and go to the Create menu, and we're going to find Project, Include, and Project. And like before, we'll click the very center circle of that clamp and click OK.

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So there it is. We have that projected sketch. Now if you recall, the downside of the projected sketch is it will be locked to that other geometry, which is actually now in the clamp component.

And I don't really like referencing another component with a new component. It can be kind of confusing in the project browser if we have to make any changes. So kind of a little workaround we can do is go back to Create, Circle, Center Diameter Circle, and click that center purple dot.

Make sure that it goes right to a center point constraint, which looks like a blue circle. We'll click that one time, pull our cursor away, and we'll type in 50 millimeters, which is bigger than we need. But it sets a circle at the correct center point.

Now we'll go ahead and select our projected geometry. We'll select it and hit Delete on our keyboard. We're only left with this bigger circle.

Now we can double click the dimension and change it to 26 and click Enter. And it puts it at the correct size, at the correct center point, without having any projected geometry. With that, we can go ahead and click Finish Sketch.

We'll open our sketches and notice it's not locked because it has no projected geometry, just the geometry we drew, and yet it's in the correct place. Let's go ahead and give it a name and we'll call it Handlebar Profile. With that, we can orbit to a more 3D view and take a look at the result.

We have this profile right in the center of our clamp. Now let's go ahead and go to the Create area and look for Extrude. And we want to select our profile, which is this Handlebar Profile.

We'll select it and our direction is symmetric. And we want to type in our distance, which will be 180. And we want to ensure that the operation is New Body and then click OK.

So that gives us a Bodies folder and Body 1. We can call it Handlebar. Now we don't want a solid Handlebar, we want it hollow in the center. So let's go to Shell under the Modify area, click One Face, hold Control on my keyboard, and click the other face.

We've got both faces selected. We can give it an inside thickness of four and verify it is hollow on both ends. You know what? Four might be a little bit thick, so let's go ahead and change it to three.

So three millimeter thickness, that looks pretty good. And let's click OK. So there we are.

We've got our Handlebar, our Handlebar Profile for sketches, and our Handlebar Center is all that we need to create this Handlebar component. It looks really good. We can go ahead and minimize our Handlebar component, reactivate the top level, and smash that Save button.

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Reid Johnson

Reid isn't just someone who knows CAD and BIM; he's a licensed architect and contractor who deeply integrates these technologies into every facet of his career. His hands-on experience as a practitioner building real-world projects provides him with an invaluable understanding of how BIM and CAD streamline workflows and enhance design. This practical foundation led him to Autodesk, where he shared his expertise, helping others effectively leverage these powerful tools. Throughout his professional journey, Reid also dedicates himself to education, consistently teaching university courses and shaping the next generation of design professionals by equipping them with essential CAD skills. His unique blend of practical experience, industry knowledge gained at Autodesk, and passion for teaching positions Reid as a true specialist in BIM and CAD technology, capable of bridging the gap between theory and real-world application.

  • Autodesk Fusion Certified User
  • Autodesk Revit Certified Professional
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  • Licensed Architect
  • Licensed General Contractor
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