Modify Dimension
You can change a dimension in a part, sketch, assembly, or drawing in the Modify dialog box.
- Double-click a dimension.
The Modify dialog box appears.
- Change the dimension value with the arrows, thumbwheel
, mouse wheel, or by typing in the dimension box.The Modify dialog box displays a slider

instead of a thumbwheel when the numeric value is bounded, such as an angle that must be greater than 0 and less than 90 degrees.
Up arrow, Thumbwheel/Slider right, Mouse wheel up |
Increases value by length increment set in Spin Box Increments. |
Down arrow, Thumbwheel/Slider left, Mouse wheel down |
Decreases value by length increment set in Spin Box Increments. |
CTRL + Arrow
or
CTRL + Thumbwheel/Slider
or
CTRL + Mouse wheel
|
Increases/decreases length increment by 10 times the length increment set in Spin Box Increments. |
ALT + Arrow
or
ALT + Thumbwheel/Slider
or
ALT + Mouse wheel
|
Increases/decreases length increment by the length increment set in Spin Box Increments divided by 10. |
You can use the dimension box as a calculator by entering values and arithmetic symbols directly.
- Choose from:
- Add Equation (If a dimension is driven by an equation,
appears in the Modify dialog box.)
- Use the buttons as follows:
- Increment
The Increment dialog box sets the increment value when you use the spin box arrows. After you type a value, press Enter to accept the value.