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Scale

The Scale tool allows you to make any selection larger or smaller by changing the scale percentage factor. To quickly scale in a single axis dimension, use the various handles. After applying a transform amount, middle-click to re-apply the previous offset amount. This way, you can easily apply an edit multiple times. Activate the command in the Model viewport's Basic sub-tab, in the menu bar under Edit > Transform > Scale or by pressing R.

In the component modes (vertices, edges, and polygons), the tool affects the selected geometry directly. When nothing is selected, it affects all active foreground geometry. Active foreground items are those that are visible and selected in the Items list. In Items mode, the tool affects all the currently selected items in the Items list. If nothing is selected, then the tools appear to do nothing. In material mode, it works the same way as in any of the component modes. Lastly, in the Center and Pivot modes, it modifies the center or pivots respectively.

NOTE:  You need to select either the center or the pivot itself, depending on the mode, prior to activating the tool, as in Items mode, with no selection, the tool appears to do nothing.

When you define any of the falloffs, application of the tool can be attenuated across a user-defined area. For more information on using falloffs, see Falloffs.

Once you activate the tool, Modo draws the relevant tool handles in the viewport. At this point, you can click and haul anywhere in the desired viewport to interactively transform the geometry. Additionally, you may prefer to utilize the various tool handles, constraining the application of the function to one or all three axes. The tool handles are color-coded to match the coloring of the different axes, red for X, green for Y and blue for Z. Hover the mouse over a specific handle until it changes to a yellow color and then click and drag to modify. To interactively scale the size of the handles themselves, use the - (minus) key to decrease size and = (equals) to increase their size. Additionally, for the Scale tool, there is a small circle at the intersection of all three handles that you can use to uniformly scale the selection interactively.

The Transform tool also respects the settings for action center, and originates the appropriate action from the defined position. For more information on understanding and using actions centers, see Action Centers.

Uniform Scale

The Uniform Scale tool is identical to the normal Scale tool, except that you can haul anywhere in the viewport and all three axes are constrained, forcing all scaling operating to be uniform. This ensures the mesh doesn't become distorted when scaling.