I am creating the object below and when it comes to create a Polar Pattern no.3 is missing!
I do not get any errors either. Any suggestions?
btw:
OS: Windows 10 Version 2004
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.19.24276 (Git)
Build type: Release
Branch: releases/FreeCAD-0-19
Python version: 3.8.6+
Qt version: 5.15.1
Coin version: 4.0.1
OCC version: 7.5.0
Locale: English/United States (en_US)
Polar Pattern fails to create #3 out of 4 patterns!
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- NikosSprocket
- Posts: 18
- Joined: Sun Mar 21, 2021 9:27 pm
Re: Polar Pattern fails to create #3 out of 4 patterns!
Please upload your FCstd file
- NikosSprocket
- Posts: 18
- Joined: Sun Mar 21, 2021 9:27 pm
Re: Polar Pattern fails to create #3 out of 4 patterns!
Re: Polar Pattern fails to create #3 out of 4 patterns!
From what I can see, I would guess you have self intersections in the spiral, i.e. the diameter of the section is bigger than the increase of the spiral.
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Re: Polar Pattern fails to create #3 out of 4 patterns!
While I was typing you uploaded the file and it is as I had guessed: The height of the section is 1.75, while the growth is only 1.5. Change the height of the section to 1.49 for success. However, that breaks you model, because you have attached the following DatumPlanes to faces. To improve: have a look at this page, especially the paragraph about creating stable models.
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- NikosSprocket
- Posts: 18
- Joined: Sun Mar 21, 2021 9:27 pm
Re: Polar Pattern fails to create #3 out of 4 patterns!
Thank you! I see it now. I usually associate Datum planes to XYZ but I got lazy and .....chrisb wrote: ↑Fri May 14, 2021 6:49 am .........the following DatumPlanes to faces. To improve: have a look at this page, especially the paragraph about creating stable models.
Btw do you have any suggestions on how to create the same effect/model in another way; for example not using Additive Pipe or that's the correct way to do it?
That's my current strangle with FreeCAD at this stage. I am trying to understand the logic behind the interface on how to use properly, Draft, Part and Part Design and how to integrate them. Thanks to this Forum, YouTube, wiki etc. these days I have moved forward a lot faster than when I started at college with AutoCAD 10 on Solaris!!!!
PS. I almost missed your link to "Sketcher Lecture"! Awesome! thank you!
- NikosSprocket
- Posts: 18
- Joined: Sun Mar 21, 2021 9:27 pm
Re: Polar Pattern fails to create #3 out of 4 patterns!
Spot on Chris!
Thank again!
Cheers!
Nikos
Thank again!
Cheers!
Nikos
Re: Polar Pattern fails to create #3 out of 4 patterns!
I don't know another way. To get closer to your original shape, I would place a disc in the middle, which fills the gap.NikosSprocket wrote: ↑Sat May 15, 2021 2:45 am Btw do you have any suggestions on how to create the same effect/model in another way; for example not using Additive Pipe or that's the correct way to do it?
Good to hear! it helpsNikosSprocket wrote: ↑Sat May 15, 2021 2:45 am PS. I almost missed your link to "Sketcher Lecture"! Awesome! thank you!
A Sketcher Lecture with in-depth information is available in English, auf Deutsch, en français, en español.