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Why in creo sketch there are no linear and circular pattern options?

Re: Why in creo sketch there are no linear and circular pattern options?

Sketch.gif

Hi all , Don't you think that this sketch can be better drawn by using sketch pattern option if it is in Creo sketch?

I have seen an option called copy and paste special in creo sketch. In this option have anyone tried to rotate a copy of sketch at a specified angle?

Thanks for all your replies. Any other suggestions or discussions will be helpful.

Is there any portion in this community or ways to request or connect PTC Developers about some enhancement that creo users like to request?

With regards,

Soumya

Re: Why in creo sketch there are no linear and circular pattern options?

‌Maybe it's a matter of preference or just the way I learned to use ProE but I wouldn't include all that detail in a single sketch feature. Not that it necessarily is but I think I would find it easier to create the ears and the associated holes as their own features or group of features and pattern that. You also lose the advantages a feature pattern can offer although you do have other options you could use for those.

Re: Why in creo sketch there are no linear and circular pattern options?

Where are the counts to control the number of pattern members?

Re: Why in creo sketch there are no linear and circular pattern options?

Antonius Dirriwachter In creo 4, there is an option for creating a datum midplane  (if that´s what you meant by "midplane" , or maybe you were talking about something in sketcher thats missing?)

//Tobias

Re: Why in creo sketch there are no linear and circular pattern options?

when you offset, do you use "single" , "chain" or "loop"?

When using chain or loop, you shouldnt get any "space " between your offsetted lines . (but yes, it can happen)

//Tobias

Re: Why in creo sketch there are no linear and circular pattern options?

Any incorporation of a midplane modifier is exiting!  Looking forward to it.

Re: Why in creo sketch there are no linear and circular pattern options?

That sketch would be way to fragile.  Patterns in sketches are very fragile and limited in SW.

I could easily constrain that part in one sketch without having to go back and try to clean up a messy merge of a pattern in the sketch.

However, I too would use about 4 features patterned in the conventional sense.  2-3 minutes tops... single sketch method, maybe 5.

Sustainability; Multi-feature will win the error search much easier.  Feature patterns are easily edited where sketch patterns in SW are not.

Re: Why in creo sketch there are no linear and circular pattern options?

I would never try to model that part using just one sketch/extrude.

Like Antonius, I would create about 4 (patterned) features. With the holes in a feature pattern, you will gain the advantage of using a Ref Pattern for your bolts (for example)

Re: Why in creo sketch there are no linear and circular pattern options?

See attached file (created in PRO/E WildFire 4)

Regenerate part to determine the number of inner and outer holes.

"SHIFT" will shift the pattern of the outer holes.

Uploaded an improved version...you can now also enter 0 holes 🙂

Re: Why in creo sketch there are no linear and circular pattern options?

Yes, I've tightened up precision, etc. The trouble seems to be a persistent one with Creo where it seems to get "confused" about tangent arcs and which "side" of them it needs to "keep". Similar to the unpleasant results one gets if they pattern something circularly and attempt to go beyond 180 degrees. Works for a pattern around an axis, but don't bet on it if you want to use a dimension to do it.

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