Use vertice from reference sketch in a new sketch - datum point needed?

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FCuser0
Posts: 8
Joined: Wed Mar 11, 2020 9:41 am

Use vertice from reference sketch in a new sketch - datum point needed?

Post by FCuser0 » Sun Mar 29, 2020 4:39 pm

I am having great difficulties using vertices from a reference sketch in a new sketch that I am trying to create on a datum plane.
The reference sketch is in the XY plane, the datum plane is parallel, offset in Z direction.

What I would like to do is import these vertices as external geometry. I understand that they are in a different plane, but I would like their projection onto that plane. I therefore thought that maybe I first needed to create a datum point that I then could import as external geometry. However, I did not manage to add the points in the sketch to the "datum point" I created using the menu.

The green line is my sketch, and the yellow plane is the datum plane in which I would like to use some vertices from the green shape.

Somehow I have difficulties to grasp how the different components of a part are organized and how they are related to each other.
FCplane.png
FCplane.png (7.51 KiB) Viewed 119 times
TheMarkster
Posts: 1353
Joined: Thu Apr 05, 2018 1:53 am

Re: Use vertice from reference sketch in a new sketch - datum point needed?

Post by TheMarkster » Sun Mar 29, 2020 4:57 pm

It might be the datum plane is blocking the sketch beneath it. Try hiding it.
My FreeCAD video series on youtube: https://www.youtube.com/c/mwganson
FCuser0
Posts: 8
Joined: Wed Mar 11, 2020 9:41 am

Re: Use vertice from reference sketch in a new sketch - datum point needed?

Post by FCuser0 » Sun Mar 29, 2020 6:13 pm

That was indeed the problem ! So simple but I did not figure it out.
chrisb
Posts: 24234
Joined: Tue Mar 17, 2015 9:14 am

Re: Use vertice from reference sketch in a new sketch - datum point needed?

Post by chrisb » Mon Mar 30, 2020 12:02 am

If you use external geometry it is projected automatically into the sketch plane.
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