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Carrara F.A.Q (Last Updated: 2024 Nov 21 9:55 pm)

 

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Subject: modelling round bottle bottom as all quads?


MistyLaraCarrara ( ) posted Mon, 26 March 2018 at 3:25 PM · edited Mon, 25 November 2024 at 1:47 PM

needing some emotional support with this project.

bar nistress at mistykal selling saurian brandy 'under the counter'



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Cybermonk ( ) posted Fri, 30 March 2018 at 8:51 PM

Well this is how I would do it blender.

1st: Creat a cube and squish it down fairly thin.

Round1.jpg

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"The true sign of intelligence is not knowledge but imagination".

Albert Einstein


Cybermonk ( ) posted Fri, 30 March 2018 at 8:52 PM

Delete the top face

round2.jpg

____________________________________________________

"The true sign of intelligence is not knowledge but imagination".

Albert Einstein


Cybermonk ( ) posted Fri, 30 March 2018 at 8:54 PM

apply a subdivision modifier. (Catmul-Clark)

Round3.jpg

____________________________________________________

"The true sign of intelligence is not knowledge but imagination".

Albert Einstein


Cybermonk ( ) posted Fri, 30 March 2018 at 8:56 PM

Now extrude the edge up and keep extruding and shaping until you get the desired result.

Round4.jpg

____________________________________________________

"The true sign of intelligence is not knowledge but imagination".

Albert Einstein


Cybermonk ( ) posted Fri, 30 March 2018 at 9:10 PM

Squish the cube a bunch or a little depending how round or flat you want it.

____________________________________________________

"The true sign of intelligence is not knowledge but imagination".

Albert Einstein


DUDU.car ( ) posted Sat, 31 March 2018 at 9:52 AM

Hi Misty! Personally, I use to do that with the "Polyline's tool" in the vertex room, but here is a good tuto with the extrusion method: https://www.youtube.com/watch?v=dr3ynKuPx50 I like also the Mark Bremmer's method in the Spline modeler: https://www.youtube.com/watch?v=SXoRUOBNQ08


MistyLaraCarrara ( ) posted Tue, 17 April 2018 at 6:10 PM

thanks all.

anyway, this is what i ended up doing, inserted oval(circle) to use as a guide, inserted a grid on top of it. moved the outer verts of the grid to line up with the oval verts.

whole bottle still ended up with high poly count, like 800

ch39 grid on top of oval, quad oval guides.PNG



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diomede ( ) posted Fri, 20 April 2018 at 1:03 PM · edited Fri, 20 April 2018 at 1:12 PM

Here is another method as per Vyusur which might perform better under smoothing. Rather than start with a square, you can also start with an oval or a cylinder. Here I start with a cylinder with 12 points on loop. Extrude in once to brace the edge loop. Then use Tessalate and join vertexes to center. This yield triangles. No problem. Select two triangles at a time and dissolve (backspace). Now the end of the cylinder is made of quads but the edge loop is braced by an circle. Repeat for other end if closing bottle, or delete other end if bottle is open. Select edge loops of cylinder and shape as desired for bottle length and width.

  • according to Tangoalpha, there is a bug in the uvmap preset for cylinders. If so, create seams at the top and bottom edge loops and one vertical seam connecting. Unwrap and arrange islands.
  • If top is open, select the whole uvmap, return to modeling room, add thickness, and use small number. If you return to uv room, the new thickness is selected. Use operations, detach selected,and then shift/translate to move duplicate UVs to side if you don't want outer and inner to match (space for a label, for example). (EDIT - sorry, screencaps that I uploaded did not match. I add the other screencaps in posts that follow. Hope it isnt too confusing). Hope it helps.a01 insert cylinder 12 by 6.JPGa04 select two triangles an use backspace to dissolve.JPG


diomede ( ) posted Fri, 20 April 2018 at 1:05 PM

Hmm, sorry for the repeats. Here is the screencap I meant to include.a04 select two triangles an use backspace to dissolve.JPG


diomede ( ) posted Fri, 20 April 2018 at 1:05 PM

another after dissolve repeatsa06 scale tool.JPG


diomede ( ) posted Fri, 20 April 2018 at 1:06 PM · edited Fri, 20 April 2018 at 1:07 PM

and here is the bottom edge braced by having the quad dissolves near same level as desired bottom edge a10 see edge again.JPG


diomede ( ) posted Fri, 20 April 2018 at 1:11 PM

Here is the thickened bottle even with smoothing applied. Bottom loops are braced with a loop, then points go to center.b01 bottom holds shape even with smoothing.JPG


MistyLaraCarrara ( ) posted Sat, 21 April 2018 at 1:33 PM

thanks diomede

your method lowers the polycount 🐼

i'm finding when i detach polys, haz to deselect and reselect the polys to move



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