Rounded Cubes

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Rounded Cubes

Postby pcberdwin » Thu Jul 09, 2009 11:05 pm

Here's a video tutorial I made that shows a way to make rounded cubes:

http://www.youtube.com/watch?v=AjiHHl4rwdg
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Re: Rounded Cubes

Postby Gaieus » Fri Jul 10, 2009 7:07 am

Cool tutorial and obviously you are along the right ideas. :thumb:

Certainly however, a couple of steps could be made easier. Just a tip (as an example); you seem to have problems with aligning things when moving them around the place (you also "mentioned" this in the video). When starting to move something, hit the left/right/up(or down) arrow keys on your keypad to lock the movement along a specific axis.
OR when you finally succeed to get the movement along any desired direction (this doesn't have to be an axis), use the Shift key to lock the movement.
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Re: Rounded Cubes

Postby Dave R » Tue Jul 14, 2009 4:34 pm

Interesting method. As Gai mentions, locking Move and Line directions will make things much easier.

It does seem like a hard way to achieve a simple cube with rounded edges. You might also find the copy function of the Move tool interesting. It makes it easier to accurately place copies of a selection.

Here's an alternative way.


Draw a square to the finished size of the cube. Add a guideline (or even a guide point) to help set the corner radii.


Use the Arc tool to draw the rounded corners. Start at the intersection of the guideline and the edge. Drag along the adjoing edge until the line turns magenta. Click and drag back along the edge toward the corner until the arc turns magenta. Click.


The other two corners can be done by inferencing off the first. Hover over the end point of the arc and slide the tool to the opposite side. Note the black dot at the end of the arc on the upper left corner.


After completing the corner arcs, delete the unwanted part and the guideline.


Select the rounded square and its edges (double click of selection tool) and get the Move tool. Hit Ctrl (Option on Mac) and copy the rounded square straight up.


Get the Rotate tool and rotate the copy into the vertical position. Orbit low if needed to get the required orientation. Note the red protractor color.


Make sure the rotated shape doesn't intersect with the original. Get the Move tool.


Move the vertical face and its edges to the center of the horizontal face's edge. Once you start the move, in the green direction in this example, hold the Shift key to lock the direction. Or use the cursor keys to do that.

Note: If I had moved the copy far enough up, I could have rotated it to the vertical position about the center of the edge. This would have eliminated the need to Move the face after rotating it.


Get the selection tool and double click on the horizontal face. then get the Follow Me tool and click on the vertical face.


Correct the face orientation if needed and delete the horizontal face. Done!

With this method there are no edges to soften because the arcs were never exploded nor are there extraneous lines to remove.

Of course now there's a plugin that can do this automatically after you've made a simple cube.
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Last edited by Dave R on Tue Jul 14, 2009 8:44 pm, edited 1 time in total.
Etaoin Shrdlu


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Re: Rounded Cubes

Postby simon le bon » Tue Jul 14, 2009 8:35 pm

Hi pcberdwin,

As usual with SketchUp, plenty of different solutions. (Dave one is really cool!!)
This one, but i can tell others:
(Re the Center square is for nothing here. It was for another purpose when I made those screenshots)






Rotate+Copy(Ctrl) x3

Select, Move a Copy (Ctrl)





;) simon

PS: and just like this to take a look: [Tutorial] Rounded Rectangle
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Re: Rounded Cubes

Postby simon le bon » Wed Jul 15, 2009 11:34 am

Well!!

If you don't need a remaining square geometry , Dave's solution is very much faster and easy (and clever :lol: ). Because in mine you have to do cleaning work for unwanted inside faces and hide unwanted rounded square lines!!

In case, I end the job like this: :)



:freehand: simon
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Re: Rounded Cubes

Postby david_h » Thu Jul 16, 2009 3:29 pm

There's a ruby that does all of this automatically. you can get it here.

fillet 3d blocks

Hope this helps.
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If I make it look easy. . .then it probably is.
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Re: Rounded Cubes

Postby Dave R » Thu Jul 16, 2009 3:44 pm

I also alluded to a plugin that does it. You can get it here on SCF.
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Re: Rounded Cubes

Postby Yanman » Wed Sep 23, 2009 5:15 am

Good tips. Thank you. :thumb: :thumb:
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Re: Rounded Cubes

Postby Starling75 » Wed Sep 23, 2009 10:02 am

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Re: Rounded Cubes

Postby Dave R » Wed Sep 23, 2009 11:07 am

Thanks Starling. It's the same as my link a couple of posts up. Very handy plugin, isn't it?
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Re: Rounded Cubes

Postby Starling75 » Wed Sep 23, 2009 11:25 am

Dave R wrote:Thanks Starling. It's the same as my link a couple of posts up. Very handy plugin, isn't it?


Yes, very handy indeed. Fredos plugins are jewels.
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Re: Rounded Cubes

Postby mambo.harts.u » Mon Nov 30, 2009 9:23 am

wow! very helpful!
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