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New Member
Posts: 2
Registered: ‎05-21-2010

# rotated and twisted 3d cube - see attached image

1022 Views, 3 Replies
05-21-2010 07:39 AM
Hello,

I want to take a rectancular cubed volume, rotate it horizontally half way up the vertical axis of the cube by 45 degrees, then flip/extrude the entire volume through 90 degrees vertically. The attached jpeg illustrates what I would like to model. If anybody can help it would be much appreciated. I challenge you all to try and model this 3d object and post back any tips.

Thanks,

Active Contributor
Posts: 32
Registered: ‎03-26-2011

# Re: rotated and twisted 3d cube - see attached image

I would think the best way to do this is with a loft. Draw two squares for the ends and loft between them with spline paths.

Active Contributor
Posts: 32
Registered: ‎03-26-2011

# Re: rotated and twisted 3d cube - see attached image

06-03-2011 05:12 AM in reply to: CivicDesignGroup

1. Create a square (Square "A") polyline in plan view 10' x 10'. Mark the center with a point.

2. Duplicate the square twice. Rotate one 22.5° (Square "B") ﻿ and the other 45° (Square "C") ﻿in plan view.

3. Create an arc that represents the centerline that the shape will twist around in elevation.﻿ I made mine a 10' radius 90° arc created by filleting two line segments in 3D.

4. Rotate Square B ﻿ into position using 3DROTATE around the centerpoint of the arc 45°. Rotate Square C into the 90° position using 3DROTATE.

5. LOFT command. Select each square in order. Hit ENTER once. Type "P" (for Path) and hit ENTER. Select the arc. Hit ENTER.

All done.

Distinguished Mentor
Posts: 587
Registered: ‎04-15-2008

# Re: rotated and twisted 3d cube - see attached image

06-06-2011 07:17 AM in reply to: CivicDesignGroup

I think solid modelling is a best way though if you have 12 you have extra surface tools too.

But also you may be able to do it with a structural member since it can have a shape rotated and also curved.  Sorry no time to try it myself.

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