How to Use Drag in BricsCAD BIM

Quick answer: DRAG moves walls, slabs, or linear elements via the highlighted face of a solid, for example, moving a linear solid by highlighting its end or side face. Depending on the connectivity mode, connections between solids either preserve while dragging, or the dragged solid moves independently, disjoining its connections to others.

Using Drag on a 3D Solid

1. Highlight or select any face of the solid, then choose Drag from the Modify tab of the Quad.
2. Move the cursor to adjust the solid’s position in the dynamic dimension field, then click or type a precise value and press Enter. A ruler appears, visually representing the distance you’re moving the entity.
3. The Hotkey Assistant appears at the bottom of the screen with the available options, the current mode marked with a blue frame. Press Ctrl to toggle connectivity mode, or type D and press Enter to disable it, or E and press Enter to enable it.

Connectivity Modes

• Enable connectivity mode: moves the solid while preserving its connections to others. Dragging an inner wall surface, for example, keeps both T-connections and mitered connections intact.
• Disable connectivity mode: moves the solid while breaking its connections to others. Dragging that same inner wall surface instead disjoints both T-connections and L-connections.

Worth flagging: this source explicitly states Disable connectivity mode is the default, connections break unless you switch to Enable. That’s worth noting against the earlier MEP modeling page in this hub, whose wording implied the opposite, that connections preserved by default and Ctrl was needed to disconnect them instead. If the exact default matters for your workflow, it’s worth confirming directly in the software.

Frequently Asked Questions

Does DRAG always preserve connections between solids by default? Sources in this hub disagree on this point, this page states Disable connectivity mode (breaking connections) is the default, while an earlier page implied the opposite. Worth confirming directly if it matters for your work.

How do I switch between connectivity modes while dragging? Press Ctrl to toggle, or type D and press Enter to disable connectivity, or E and press Enter to enable it.

Can I move just the side face of a linear solid with Drag? Yes, highlighting either the end or side face of a linear solid lets you move it with DRAG.

What does the ruler that appears during a drag operation actually show? A visual representation of the distance you’re currently moving the entity.