3 ways to modify block definition

Block is very useful as reusable contents. And when you need to create similar objects in your drawing. One of the most popular benefits is when you need to modify all instances; you only need to modify one. All other instance will be automatically updated. We will see 3 methods that you can use to modify your block definition.

1. Explode and recreate the block:

Long time ago, the only way to edit a block was by exploding it to simpler objects through EXPLODE command. Made any changes necessary, then recreate a block with the same name. This method has become obsolete but reliable if you are still using old CAD versions.

2. Edit block in-place: 

Edit block in-place is a great way to modify block when you want to use other objects in the drawing as reference. The tool we use is actually REFEDIT. It was originally for reference editing, but works for blocks too. 

You can activate this by selecting a block, right click then choose edit block in-place from context menu. Or by using REFEDIT command.

This tool is not block editor. So don’t expect you will see specific block editing tools like in block editor. You can add or remove objects to your block.

3. Using block editor: 

Block editor is a very powerful tool to edit your block. Not only allow you to modify your block geometry, you can also create a dynamic block here. You can activate block editor in different ways by double clicking a block OR select a block then right click mouse> choose block editor from context menu. You can also choose from GstarCAD ribbon> Insert tab>Block definition panel>Block editor OR go to tools tab at menu bar and choose> block editor.

One thing you must remember. When working with block editor, 0,0 is the insertion point. So don’t move the geometry unless you want to move the insertion point!

  • GstarCAD Blog

    www.gstarcad.net

    Related Posts

    The Ultimate Guide to GstarCAD Mechanical 2026: The Future of Manufacturing Design

    GstarCAD Mechanical 2026 drafting/design software, covers all fields of mechanical design.

    How to Calculate CAD Area Quickly?

    As a CAD designer, are you frustrated by the cumbersome and error-prone manual CAD area calculation? GstarCAD offers multiple efficient CAD area calculation methods!

    Leave a Reply

    Don't Miss out

    Gstarsoft Showcases Integrated CAD + BIM Solutions at BIM World Paris 2026

    • April 3, 2026
    Gstarsoft Showcases Integrated CAD + BIM Solutions at BIM World Paris 2026

    Boost CAD Productivity with GstarCAD 2026’s XTP Import Feature

    • March 24, 2026
    Boost CAD Productivity with GstarCAD 2026’s XTP Import Feature

    Case study: How TopenTech Optimized Equipment Diagnostics and Field Productivity with GstarCAD

    • March 9, 2026
    Case study: How TopenTech Optimized Equipment Diagnostics and Field Productivity with GstarCAD

    The Ultimate Guide to GstarCAD Mechanical 2026: The Future of Manufacturing Design

    • January 30, 2026
    The Ultimate Guide to GstarCAD Mechanical 2026: The Future of Manufacturing Design

    GstarCAD 2026 DWG Comparison: Boost Design Efficiency

    • January 16, 2026
    GstarCAD 2026 DWG Comparison: Boost Design Efficiency

    How to Calculate CAD Area Quickly?

    • December 25, 2025
    How to Calculate CAD Area Quickly?

    Discover more from Gstarsoft's Blog

    Subscribe now to keep reading and get access to the full archive.

    Continue reading