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by Will_C
Sat Jan 11, 2020 10:08 am
Forum: Help on using FreeCAD
Topic: Curves workbench
Replies: 832
Views: 88413

Re: Curves workbench

hammax wrote:
Sat Jan 11, 2020 8:40 am
… and here a possible workflow.
Also with a final Gordon surface.


BSpline_constr_2.PNG
Thank you Hammax.

I will try this approach then :)
by Will_C
Fri Jan 10, 2020 12:21 pm
Forum: Help on using FreeCAD
Topic: Curves workbench
Replies: 832
Views: 88413

Re: Curves workbench

To avoid these waves the ribs should be perspective equivalent, there shoud be a perspective transformation from one rib to the other. what is the inner geometry of the ribs? how many poles you use. If you have only 4 poles than this should be possible, otherwise ... I reduced the number of poles a...
by Will_C
Thu Jan 09, 2020 4:25 pm
Forum: Help on using FreeCAD
Topic: Curves workbench
Replies: 832
Views: 88413

Re: Curves workbench

Hi guys, I would have a question regarding a proper workflow for using the Gordon Surface. I want to create the fuselage of a model plane and used the following Approach: 1) I created a Network of edges with the sketcherWB. The Vertices at the intersections (blue below) are referred to each other vi...
by Will_C
Mon Jan 06, 2020 3:50 pm
Forum: Open discussion
Topic: Air Plane Design Workbench - discussion thread
Replies: 12
Views: 1066

Re: Air Plane Design Workbench - discussion thread

At this point it is not possible, but can you share a file with an example so that I understand what you want to do? Fred I'm currently working on a construction of a model plane based on a pdf-sketch. Since I'm not used to FreeCAD yet, I am trying different approaches to design the model. My curre...
by Will_C
Sun Jan 05, 2020 2:52 pm
Forum: Help on using FreeCAD
Topic: Error for Saving FreeCAD File
Replies: 0
Views: 186

Error for Saving FreeCAD File

Hello Folks, I've got a problem with saving my project. I get the following message when I try to save the file or a copy of it: Safe Error2.JPG Here are the console messages: Safe Error1.JPG Have any of you an idea what's the issue? Thank you in advance. BR, Will OS: Windows 7 Word size of OS: 64-b...
by Will_C
Sun Jan 05, 2020 11:58 am
Forum: Announcements & Features
Topic: Air Plane Design Workbench - discussion thread
Replies: 31
Views: 6732

Re: Air Plane Design Workbench - discussion thread

Hi Fred, I would have two questions regarding your WB. 1) What is the intent of the property "Rib Profil" which i circled in the attached Picture? I can change the profile by typing in a new number in the section "Naca Profil". Is Rib Profil only necessary if I want to use a DAT file? question ribpr...
by Will_C
Wed Jan 01, 2020 7:10 pm
Forum: Help on using FreeCAD
Topic: Possible Bug In Sketcher WB
Replies: 2
Views: 151

Re: Possible Bug In Sketcher WB

Thanks for the quick Response.

Apreciate it. :)
by Will_C
Wed Jan 01, 2020 2:14 pm
Forum: Help on using FreeCAD
Topic: Possible Bug In Sketcher WB
Replies: 2
Views: 151

Possible Bug In Sketcher WB

Hi Folks, it appears to me there is an issue with constraining a line to a parabol in certain cases: If I try to "fix a Point onto an object" the Points of lines do not match the parabols. The same happens if I draw the Points of a line directly onto the parabols. In both cases the constrains are li...

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