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Driving Sketch Better than equation
- Thread starter tchouk
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Scott Baugh, CSWP![[pc2]](/data/assets/smilies/pc2.gif "[pc2] [pc2]")
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Regards,
Scott Baugh, CSWP
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- #3
That's a bit extreme, but overall not a bad modelling practice. This is especially true in cases where persons other than the CAD modeler make most of the design decisions.
With new designs, I normally make one or two "control line" sketches. For instance, the main profile of an extruded hinge will be a stand-alone sketch. The first extrude feature's sketch will reference the control line sketch using "Convert Entities". Later features reference the control line sketches instead of model edges whenever possible.
This may sound like a pain in the arse, but it saves a lot of trouble in the long run. I find it's easier to manage changes in models when they are constructed in this fashion.
![[bat]](/data/assets/smilies/bat.gif "[bat] [bat]")
"When everyone is thinking alike, no one is thinking very much." --Eckhard Schwarz (1930--2004)
With new designs, I normally make one or two "control line" sketches. For instance, the main profile of an extruded hinge will be a stand-alone sketch. The first extrude feature's sketch will reference the control line sketch using "Convert Entities". Later features reference the control line sketches instead of model edges whenever possible.
This may sound like a pain in the arse, but it saves a lot of trouble in the long run. I find it's easier to manage changes in models when they are constructed in this fashion.
"When everyone is thinking alike, no one is thinking very much." --Eckhard Schwarz (1930--2004)- Thread starter
- #5
You think that is extreme check this out!
Now that you have those 3 driving sketches (top, front & write) you can create a design table that drives your driving sketches.
In other words when you want to change something you look only in one place your design table.
Now that you have those 3 driving sketches (top, front & write) you can create a design table that drives your driving sketches.
In other words when you want to change something you look only in one place your design table.
DT drive Dimensions, so if your sketches are controlled by dimensions, then the answer would be yes.
Regards
Scott Baugh, CSWP
If you are in the SW Forum Check out the FAQ section
To make the Best of Eng-Tips Forums FAQ731-376
Regards
Scott Baugh, CSWP
If you are in the SW Forum Check out the FAQ section
To make the Best of Eng-Tips Forums FAQ731-376
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- #7
They can be added, but they can't be changed.
Regards,
Scott Baugh, CSWP
If you are in the SW Forum Check out the FAQ section
To make the Best of Eng-Tips Forums FAQ731-376
Regards,
Scott Baugh, CSWP
If you are in the SW Forum Check out the FAQ section
To make the Best of Eng-Tips Forums FAQ731-376
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- #9
You can't enter part dimensions Driven or Driving into an assembly DT.
Regards,
Scott Baugh, CSWP
If you are in the SW Forum Check out the FAQ section
To make the Best of Eng-Tips Forums FAQ731-376
Regards,
Scott Baugh, CSWP
If you are in the SW Forum Check out the FAQ section
To make the Best of Eng-Tips Forums FAQ731-376
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