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3D CAD - Extrude Boss & Cut Introduction - Table Napkin Holder

Step 123D CAD - Table Napkin Holder - B-Spline

3D CAD - Table Napkin Holder - B-Spline
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  • t01_12-bspline-sketch.jpg
  • t01_12_b-spline+reference-line.jpg
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Now - select the face of the inside opposite,

Then Select from the Sketching toolbar: B-spline by Control Points

Now - using the Status line cursor location as a guide, Click at the following locations:

1 -3.00; 1.00
2 -3.00; 2.00
3 -2.00; 2.50
4 -1.50; 3.00
5 -0.50; 4.00
6 -0.00; 4.00 (Double Click to end)

Before selecting the Sketch Mirror, you need to add a Mirror Reference Line.

Select the Line Options flyout menu to select the Reference Line icon

Create a Vertical Reference Line by clicking at the Origin at the bottom, and the upper end of the B-Spline at the top
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Author:cad_crew