2D Drafting

Tuesday Tips - Sweep

By Rose Barfield 3 min August 12, 2019
Tuesday Tips - Sweep

This Tuesday I'm going to talk to you about one of my favorite BricsCAD tools: Sweep. The Sweep command creates 3D solids or 3D surfaces by sweeping closed 2D entities (profiles) along open or closed paths.

If you've been following along with my 2D, 3D, BIM series you'll know I love to use the sweep command. You'll find I've used it to create a banisterpiping and even to make curved glass.

How to use Sweep in BricsCAD

  1. First, launch the command.
  2. Then select the sweeping profile.
  3. Finally, select the sweeping path.

It's that simple!

What can you sweep?

Maybe, "What's can't you sweep?" would be a better question. From closed polylines to solid faces. You can even sweep open polylines (this creates a surface) and multiple profiles at the same time.

Tuesday Tips - Sweep- multiple result-1024x651

Two profiles were swept simultaneously. The result is two, separate solids. The upper solid is highlighted in blue.


You can choose the angle that BricsCAD aligns the sweep with the 'Alignment' option.

Tuesday Tips - Sweep- alignment-1024x459

Left: The alignment is switched 'on'. Right: The alignment is switch 'off'.

You can also change the sweeping behavior by moving the sweep profile.

Tuesday Tips - Sweep- sweep variations combined-1024x375

Illustrating how the starting position of the sweep profile can change the final result. Left: The line work used for the sweep. Right: The resulting sweep (alignment was switched 'on).


You can choose to offset sweep paths by choosing a base point.


You can also specify a twist angle for the swept entity or entities. The twist angle is the amount of rotation along the entire length of the sweep path.

Tuesday Tips - Sweep- twist-1024x633

The result of a 90-degree rotation applied to a sweep.

Did you know?

There is a faster way of creating circular sweeps! You can use the DMTHICKEN convert polylines, splines, and lines into 3D dimensional, tubular solids.

Try Sweep in BricsCAD

Easy to try, easy to buy, easy to own. That's BricsCAD®. Try all of our products, for free for 30 days at www.bricsys.com. Freedom of choice, plus perpetual (permanent) product licenses that work with all languages, in all places. You'll love what we've built for you with the BricsCAD® product family.

More Tuesday Tips:

Rose Barfield

by Rose Barfield - CAD User Experience & Interface Design Specialist

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Rose is responsible for taking user feedback and improving the BricsCAD product. Before coming to BricsCAD, she was a CAD user and worked in the Automotive, Aerospace, and Defense industries as a Technical Illustrator. She loves finding out how things work, taking them apart, and (hopefully) putting them back together again.

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