SketchUp

How to Use Fillet in SketchUp?

Understanding Filleting in SketchUp

To create a fillet in SketchUp, you need to smooth out the sharp corners or edges of a 3D model by blending them into a curved shape. This process can enhance the visual appeal of your designs and improve their structural integrity in some cases. However, unlike some 3D modeling software, SketchUp does not have a dedicated fillet tool. Instead, you can achieve this effect using a combination of existing tools and techniques. This guide will walk you through a detailed, step-by-step process for accomplishing a fillet.

Preparing the Object

  1. Select the Object: Open your SketchUp model and choose the object you want to modify. Click on it to select it.

  2. Identify the Corners: Determine the corners or edges where you wish to apply the fillet. It’s important to visualize how the rounded edges will affect the overall appearance.

Executing the Fillet Using Arcs

  1. Activate the Arc Tool: Locate the Arc tool from the toolbar. This tool allows you to create curved shapes.

  2. Using Inferences:

    • Click on one edge where you want your fillet to start.
    • As you move your cursor, you’ll notice a magenta inference line; this represents the direction of the arc.
  3. Defining the Radius:

    • Click again to set the endpoint of the arc. This will create a curve that connects the two edges.
    • If you want the same radius for multiple corners, you can simply double-click near those corners to repeat the radius.
  4. Finishing the Fillet: Once you have created the arc, you will want to erase the sharp lines that intersect with the arc. Use the Eraser tool to remove any unnecessary lines and keep only the filleted edges.

Creating Consistency with Multiple Corners

To maintain a uniform radius across multiple edges:

  1. Select the First Arc: After creating the initial fillet, select the arc you just drew.

  2. Copy the Arc: Right-click on the selected arc and choose the Copy option.

  3. Paste and Position: Move to the next corner, right-click again, and select Paste. Align it with the new edge. Repeat this step for each corner that requires a fillet.

Enhancing Your Model with Extensions

If you find yourself frequently using fillets in your designs, consider utilizing plugins to streamline the process:

  1. Exploring SketchUp Extensions: Navigate to the Extension Warehouse within SketchUp.

  2. Search for Fillet Tools: Look for extensions such as “Fredo6 RoundCorner” or similar, which offer enhanced functionality for creating rounded corners.

  3. Installing Plugins: Click on the chosen extension to install it. Follow the prompts to complete the installation process.

  4. Utilizing the Plugin: Reload your model and use the new tool to efficiently add fillets according to your design specifications.

Using the Follow Me Tool for Complex Shapes

For more intricate shapes where you need a consistent edge throughout:

  1. Define a Profile: Draw the shape you want to follow along the edge.

  2. Select the Follow Me Tool: Choose the Follow Me tool from the toolbar.

  3. Combine Profile and Path: Click and drag the drawn profile along the desired path where you want the fillet effect. This allows for more complex shapes to be filleted effectively.

FAQ

Can I create fillets on non-planar surfaces in SketchUp?
Yes, you can create fillets on non-planar surfaces by carefully positioning your arcs or using plugins that accommodate complex geometries.

What should I do if I make a mistake while creating a fillet?
If you make an error, utilize the Undo function (Ctrl + Z on Windows or Command + Z on Mac) to revert changes. You can then try the fillet process again.

Are there specific extensions that enhance my ability to create fillets?
Absolutely. Extensions like Fredo6 RoundCorner provide specialized tools for filleting and can save time while enhancing precision in your designs.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.