Tips & Tricks

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Creating curves

When creating curves in uMake there are two primary ways you can do this. The first is to simply sketch a curve, and while this is great for initial sketching, this may not always result in the most accurate curve.

One way to create curves is to sketch a straight-line curve, and then add points to the curve. Keep in mind the fewer points you have along with a curve, the cleaner the contours of the curve will be- less is more in the case of NURBS curves. 

To create smooth rounded corners, we recommend using 5 points, two evenly before the corner, and then 3 evenly spaced to form the corner. See the example below.

Working with Symmetry and Mirroring Together

If you forgot to create a design with symmetry turned on, don’t worry. You can always use mirroring with symmetry turned on to create symmetrical design. Simply select the objects you want to reflect, then turn on symmetry. Tap Mirror, and then choose the axis to reflect over. As long as symmetry remains on, the curves reflected during the mirroring process will be updated if you edit the original curves. This makes uMake very powerful because you can focus on working on just one side of a design and then reflect that over an axis and tweak it with symmetry turned on.

Working with Revolved Surfaces

When creating revolved surfaces you can move the axis around and away from the initial curve to create complex designs. Moving the axis around is will completely change the overall result of the revolved surface. One tip you may want to know is that if you want to create a revolved surface around an axis, use the grid to center the axis of revolution around. This can be very helpful when creating rims for wheels, or even housing for jet engines, for example.

Working with Complex Surfaces

If you have a complex surface, we recommend trying to simplify the surface and break it up into several smaller surfaces. In order to get clean surfaces, try to keep surfaces to have 4 bounding curves. This can be a challenge in some cases but will result in cleaner designs.

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