﻿ MechDesigner Reference & User Interface > FAQs and 'How do I...?' > Part Editor: FAQs and How to...? > How to...? > ... edit the Length of a Part?

... edit the Length of a Part?

How to edit the Length of a Part, or to edit a Dimension

To edit the length of a Part is one of basic tasks.

Key Learnings

How to start the Part-Editor to edit a Part

In the Part-Editor: deselect an active command, if necessary.

To open the Dimension dialog-box: double-click the arrowhead or extension line of a dimension, or see How to edit open a dialog-box

NOTE: If you double-click the dimension-value itself, the Dimension dialog-box will NOT open.

 Start the Part-Editor. See also: How to start the Part-Editor For example: STEP 1: Double-Click the Part-Outline of the Part you want to edit   You are now using the Part-Editor. To edit a dimension: STEP 2: Double-Click the arrowhead of the dimension The Dimension dialog-box opens. STEP 3: Enter a new dimension There are four(4) methods to use: Method 1) Enter a new dimension directly with your keyboard Method 2) Enter an equation with your keyboard Method 3) Use the spin-box tool Method 4) Right-click the data-box, then click Zero, Round, Copy or Paste. 1.Click the to close the dialog. Notes: Methods 1 and 2 : Direct and Equation: Click the ENTER key () on your keyboard to update the dimension to the new value. Method 3: Spin-Box: The dimension AND the model updates immediately - if the model is large, there is a delay after each click Method 4 Round: The Dimension changes to the nearest value that is exactly divisible by the Spin-Increment More on Method 2 : EQUATIONS: •Simple Arithmetic: +, –, *,  ∕ •Powers: ^, Sqrt() •Trigonometric (Angle in Radians) oSin(), Cos(), Tan(), oSihn, Cosh, Tansh oArcSin(), ArcCos(), ArcTan2( ; )