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by flim
Thu Jul 12, 2018 8:31 am
Forum: Help on using FreeCAD
Topic: Boolean operation failed
Replies: 3
Views: 294

Re: Boolean operation failed

The revolve is not a solid. If you inlude images it is a good idea to show only what is relevant. That saves bandwidth and helpers know immediately where to look. (We all know how an empty screen looks like.) Edit: Willem was faster (again). Sorry I am noob in FreeCAD. I think both screens are rele...
by flim
Thu Jul 12, 2018 1:49 am
Forum: Help on using FreeCAD
Topic: Multiple revolutions on same body
Replies: 12
Views: 429

Re: Multiple revolutions on same body

My question should be how to make datum plane in Part Workbench, not Part Design, sometimes I mess it up :oops:
by flim
Wed Jul 11, 2018 3:00 pm
Forum: Help on using FreeCAD
Topic: Boolean operation failed
Replies: 3
Views: 294

Boolean operation failed

I failed to perform boolean operation over an extrude solid, and a revolve cylinder, but works on the extruded solid and a primitive cylinder. :roll:

Am I did something wrong?

FreeCAD 0.18 14061
by flim
Wed Jul 11, 2018 1:28 pm
Forum: Help on using FreeCAD
Topic: Multiple revolutions on same body
Replies: 12
Views: 429

Re: Multiple revolutions on same body

Thanks all for respond.

In PartDesign I cannot use any feature in some sketches like the attached file.

And I still not figure out how to create a datum for Part Design, then create sketch on it. Or that is not possible yet?
by flim
Tue Jul 10, 2018 3:07 pm
Forum: Help on using FreeCAD
Topic: Multiple revolutions on same body
Replies: 12
Views: 429

Re: Multiple revolutions on same body

IN simple words.. in PART you then have 2 Bodies... Just make 2 Bodies in Part Design, adjusted to the same center ( i.e. based on the same origin ) .. Then you are virtually at the same point Initially I am thinking to have two body, but then I have to make two different sketches, which is quite n...
by flim
Tue Jul 10, 2018 12:15 pm
Forum: Help on using FreeCAD
Topic: Multiple revolutions on same body
Replies: 12
Views: 429

Re: Multiple revolutions on same body

Is it limited to one revolution on a body? If I make another revolution I cannot see it. In a PartDesign body you have always one single contiguous solid . You can have multiple revolutions but they have at least to touch. I found I can do multiple revolution in Part, not Part Design. But Part does...
by flim
Mon Jul 09, 2018 3:35 pm
Forum: Help on using FreeCAD
Topic: Multiple revolutions on same body
Replies: 12
Views: 429

Multiple revolutions on same body

Is it limited to one revolution on a body? If I make another revolution I cannot see it.
by flim
Tue Jul 03, 2018 5:45 pm
Forum: Help on using FreeCAD
Topic: Skip some instances in PolarPattern and Polar
Replies: 16
Views: 469

Re: Skip some instances in PolarPattern and Polar

DeepSOIC wrote:
Tue Jul 03, 2018 5:12 pm
If you use DecorationGroove as a source for shapebinder edges, the links will be somewhat more stable. Better yet, you can use DecorationSketch for best stability.
Yes, you are correct, changing the Minute Marker sketch will not break the model now.

Many Thanks! :D
by flim
Tue Jul 03, 2018 4:54 pm
Forum: Help on using FreeCAD
Topic: Skip some instances in PolarPattern and Polar
Replies: 16
Views: 469

Re: Skip some instances in PolarPattern and Polar

After some practices I finally got the Lattice working, FreeCAD is wonderful.

But I don't understand why if I change the "Minute Marker Sketch" circle to a different value, i.e. 0.3mm -> 0.2mm, the ShapeBinder in Index Body will be totally collapsed, cause the index broke.

I am using 0.18 13999
by flim
Tue Jul 03, 2018 2:37 pm
Forum: Help on using FreeCAD
Topic: Cannot created edge link for Pad
Replies: 1
Views: 78

Cannot created edge link for Pad

I found a weird behavior of edge link on ShapeBinder. It works on revolve but not work on Pad.

You can see I have an edge link in Sketch001 in revolve.FCStd file, but cannot create edge link in Pad.FCStd

Is it a bug or my usage is not correct?

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