Stretch feature dynamic block tutorial in AutoCAD

By | May 31, 2014

Dynamic block feature give many helpful for draftsman. It has opened many possibilities to enhance your AutoCAD library and your workflow. You can control less objects in your library, and save much time. Stretch is one of dynamic block feature in AutoCAD. How to use stretch feature

Step 1: Create object

Step 2: Defining block

Step 3: Add stretch feature

1. Select your block, click on right of mouse, and select Block Editor from context menu. CAD will bring you to block editor interface. Let’s take a look to Block Authoring Palette. It has four palettes: parameters, actions, parameter, constraint sets.

Authoring palettes in editor interface in AutoCAD

Authoring palettes in editor interface

2. Open your parameter palette, and then activate linear parameter. Place the linear parameter like below. It’s similar to placing dimension!

Linear parameters dynamic block

Linear parameters

3. Open the action palette. Activate stretch feature.

Select parameter: Select the linear parameter you’ve placed before.

Specify parameter point to associate with action or enter [sTart point/Second point] <Second>: Select any point to side that we want the object stretched to this side.

Specify first corner of stretch frame or [CPolygon]: You have to define the stretch frame same as when you are doing stretch command.

Stretch feature - Select stretch frame

Stretch frame

Specify objects to stretch: Select all object need to stretch same as stretch command.

Stretch feature - Select objects need to stretch

Select objects stretch

Close your block editor. When AutoCAD ask you to save your block, you select save the change.

You are done! You need to test it before using

Dynamic block with stretch feature result

Result after add stretch feature

Video tutorial:

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