Extrude lenght relative

[alex::freecad]

Hi,

is it possible to extrude a sketch in Part workbench relative to anything?
I try to keep everything as parametric as possible.
I have a 'basic' solid on which I can put the sketches and 2d construct relative to this basis.
Now I would like to extrude the sketch let's say to a given face of that basic solid.

The idea is:
changig dimensions of the basic solid (already) gives automatic adaption of the sketches and (desired) the extrusion lengths.

Thx
Alex


OS: Debian GNU/Linux 7.6 (wheezy)
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.15.3967 (Git)
Branch: master
Hash: cef2c1bc8c0f342b86acec1704e8259c4948462a
Python version: 2.7.3
Qt version: 4.8.2
Coin version: 3.1.3
SoQt version: 1.5.0
OCC version: 6.5.2

[wmayer]

No directly. You have to use a spreadsheet and control the parameters with that. Inside the spreadsheet you can use complex expressions.
For an example look here: http://www.freecadweb.org/tracker/view.php?id=1703

[NormandC]

I have a 'basic' solid on which I can put the sketches and 2d construct relative to this basis.
Now I would like to extrude the sketch let's say to a given face of that basic solid.

If you map a sketch on your basic solid, any PartDesign feature applied to the sketch will be fused to the basic solid.

Since the PartDesign feature is based on this "basic solid", you can extrude your Pad by choosing "Up to face" option.

[alex::freecad]

If you map a sketch on your basic solid, any PartDesign feature applied to the sketch will be fused to the basic solid.
Since the PartDesign feature is based on this "basic solid", you can extrude your Pad by choosing "Up to face" option.

I tried this before, it is not working. I can not pad to face (the faces of the basic solid are not selectable.

spreadsheet

Oh, this is what I need! I read somewhere that the feature is planned, but not finished, and I overlooked it in the workbench drop down.
Thank you for opening my eyse!

Alex

[NormandC]

I tried this before, it is not working. I can not pad to face (the faces of the basic solid are not selectable.

Then this is a bug and it should be reported.

viewtopic.php?f=3&t=5236

[alex::freecad]

Just to be sure before reporing a misuse as bug:

- I start a new project
- In the part workbench I add a cube, select one face
- switch to sketcher hit 'create new sketch'
- in there, I add a circle
- switch to part design
- select the sketch and choose pad
- change option to 'up to face'
- now i'm not able so click-select a face of the cube

how is the intended way to select a face?

sketch5.png (11.01 KiB) Viewed 2165 times

[NormandC]

Have you clicked on the "Face" button to select the face? It works on your example.

[NormandC]

Okay,

I think I have found a case where the "Up to face" option is not working when it should. I will post back with an example file.

[alex::freecad]

yes, i tried to click the 'face' button first, but that changes nothing (for me)

[bejant]

When I try to Pad "Up to Face", and click the Face button, I'm unable to select a face in the 3D view.
Typing the face name into the Face field allows Pad "Up to Face" to work successfully.

OS: Ubuntu 12.04.5 LTS
Word size of OS: 32-bit
Word size of FreeCAD: 32-bit
Version: 0.15.3967 (Git)
Branch: master
Hash: cef2c1bc8c0f342b86acec1704e8259c4948462a
Python version: 2.7.3
Qt version: 4.8.1
Coin version: 3.1.3
SoQt version: 1.5.0
OCC version: 6.7.0

The last Pad in the attached file was done that way: