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Stretching 3D objects
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* May 22, 2013, 07:37:50 AM
Lets say I have a simple 3D box. I want to extend the length of this box in one direction. I want the width to remain the same. I know that I can go to the panel at the bottom and enter the new values and the box's length or whatever will change, but I want one corner to be anchored

Lets say I have a 2x4 stud and is already part of my 3D drawing. But I need to edit the length of my stud. I found that I cannot grab any corner as it seems to expand or stretch the entire 2x4 in all directions. It seems that there has to be a simple way of grabbing one of those corner points and just dragging the length of 2x4 to my new length.

Thanks in advance for any ones help on this.

Donnie

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May 22, 2013, 08:37:12 AM
#1
Donnie

Right Click or select the edit tool and these arrows appear for axis direction movement of faces..  :)

When editing boxes I always use 2D views as you can just select the box and grab the centre nodes of each face and snap to a point you want. I very rarely use the edit tool for Box editing.
« Last Edit: May 22, 2013, 08:48:28 AM by Darrel Durose »

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Daz…

V2019 Plat 64bit, Lenovo P72 Laptop, Window 10 Pro for Workstations, Intel Xeon E-2186 CPU @ 2.90 Ghz (6 cores/12 threads), 32GB RAM, 512GB & 1TB SSD's, Nvidia P5200 c/w Max=Q Design GPU, Display UHD 3840 x 2160 pixels
TurboCAD user since V3 and Turbocad 3D V1.


* May 22, 2013, 09:02:53 AM
#2
Lets say I have a simple 3D box. I want to extend the length of this box in one direction. I want the width to remain the same. I know that I can go to the panel at the bottom and enter the new values and the box's length or whatever will change, but I want one corner to be anchored

Lets say I have a 2x4 stud and is already part of my 3D drawing. But I need to edit the length of my stud. I found that I cannot grab any corner as it seems to expand or stretch the entire 2x4 in all directions. It seems that there has to be a simple way of grabbing one of those corner points and just dragging the length of 2x4 to my new length.

Thanks in advance for any ones help on this.

Donnie

Move the object's Reference Point to that corner before entering new values.

Henry H

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* May 22, 2013, 10:56:40 AM
#3
Ahhh - thank you Darrel and Henry - tried it out - great !!!!

Thanks

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May 22, 2013, 11:17:23 AM
#4
You are welcome Donnie

I do use the method Henry mentioned if you are not needing to snap to anything and you need to enter sizes.

The method I mentioned is for sizing one or more objects to snap to something in your model or Paper Spaces.  :)

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Daz…

V2019 Plat 64bit, Lenovo P72 Laptop, Window 10 Pro for Workstations, Intel Xeon E-2186 CPU @ 2.90 Ghz (6 cores/12 threads), 32GB RAM, 512GB & 1TB SSD's, Nvidia P5200 c/w Max=Q Design GPU, Display UHD 3840 x 2160 pixels
TurboCAD user since V3 and Turbocad 3D V1.


May 22, 2013, 02:41:49 PM
#5
Sounds like u have got it. But try 'paulthecadtracey' on youtube he had a really basic but good expalanation of this in i think 'drawing a kitchen cabinent in 3d' or drawing in 3d using snaps and origign above it' above the first video.

Cheers
Brett

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* September 23, 2019, 01:50:59 AM
#6
I have a 3D box that has been created by lofting two equal size rectangles (the ends) so that two opposing long sides are parallelograms, IE one end is up from the original world plane.  How do I extend the length of the box, and still keep the angular relationship of the faces? Is this an extrude operation?

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September 23, 2019, 01:06:04 PM
#7
I have a 3D box that has been created by lofting two equal size rectangles (the ends) so that two opposing long sides are parallelograms, IE one end is up from the original world plane.  How do I extend the length of the box, and still keep the angular relationship of the faces? Is this an extrude operation?

Is your lofted 3D box similar to what is shown in the first image?  Is what you want similar to what is shown in the second image?

If so, set the Reference Point to the lower corner, then use Copy Entities / Linear Array (the location will vary depending on your user interface; I have mine under the Edit menu) to make as many copies as you need.  Vertex snap to the corresponding corner on the upper face to get proper alignment.

After that, you can 3D Add the objects, then 3D Slice to get the desired new height.


Jeff

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* September 23, 2019, 09:24:14 PM
#8
You can also use facet offset

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Nikki
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September 24, 2019, 02:34:27 AM
#9
Oh, yeah... that's much better (if there is no rotation between the upper and lower rectangles; otherwise, you get scaling).


Jeff



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* September 28, 2019, 07:08:17 AM
#10
Use compound profile when lofting.  The loft is completely parametrically variable through editing and moving the profiles.  Select a profile and use transform|move with only magnetic and nearest on graphic running snaps to slide the profile along a longitudinal edge of the loft.
This pic has the to and from points ringed in red along the edge, they're arbitrary; the extension parameter from the transform|move tool is bottom LH data box, also ringed.  The transform tool gives you visual rubber-banding, you see original location and destination simultaneously and dynamically.  Nominate the workplane of one of the loft's rectangular longitudinal sides to align the selector's rotation bars so that the data box gives a coherent offset distance. 
« Last Edit: September 28, 2019, 07:14:44 AM by murray dickinson »

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