3d Sketch constraint??

[sathishastin]

how to constraint 3d sketch???

[Xun.Zhang]

Hi,

It seem that most of linear lines are not parallel with the axis (with parallel constraint) and the start or end point is not add Coincident constraints.

So you can refer to the panel to add more constraints.

[MikeKovacik4928]

You constrain a 3d sketch in much the same way as a 2D sketch,

just the set of constraints is different

ie you are now constraining to axes and planes as well 

If you want to ground it, use fix constraint on required point.

If you want to use it in a future assembly

constrain it in a relevant way to the orgin points, planes or axes,

so if you want to move it while you are in the middle of your design,

you can do it in a logical manner.

Michael Kovacik
.
Draughting/Designing (Manufacturing) (31 yrs)
-Drawing Board (3 yrs)
--Cad (28 yrs)
---Cadkey (4 yrs)
---AutoCAD 2d & 3d (16 yrs)
---Inventor (4 yrs)
---Autocad and Inventor Simultaneously (4 years)
---(and recently Autocad/Inventor Customisation)
.
Autodesk Product Design Suite Ultimate 2018
Autocad 2018, Inventor Pro 2018
(personal licensed copy)
.
Johannesburg, South Africa
.
(Impossible only means you haven't
found the solution yet)

[Vadim-the-Engineer]

Hello! If Your sketch lines are not vertically/horizontally constrained - do that, but if they are - the reason that sketch is still underdefined (SW term?) is that sketch itself is not tethered to anything: just choose one of the corners or center of some line and coincident it with the center point.

Hope it helps. Good luck!

[JDMather · Accepted solution]

See attached.

[Vadim-the-Engineer]

This is what I get from attached files... And the only option is "Edit derived part" which does nothing... 

[JDMather]

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@Vadim-the-Engineer wrote:

This is what I get from attached files... And the only option is "Edit derived part" which does nothing... 

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You are using Inventor 2017.

The file that I attached was created using Inventor 2018.

[Vadim-the-Engineer]

Yes, I am... There should be a tag to mark which Inventor version being discussed...

[sathishastin]

Thanks for your shared knowledge to me...

Thanks for all quick response..

Sathish Kumar K

7373173065