A few wishes for the pile (6- Gumball Option)

_Gumball: As holding the Shift key during Scale to forces 3-D scale, can holding the Ctrl+Shift keys force view-dependent 2-D scale. Praps in 3d viewport you could hold down Ctrl, pick the two axes you want to scale, then drag to scale.

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Or simply add a scale-handle to the 2d translation grid…