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There is a 99% chance that I don't need a flat pattern..
Since we use an outside vendor for sheet metal fabrication I have no need for the flat pattern.
The only time I use it is when I'm prototyping something in house (very rare)
I'm sure its just a performance thing.. No need in constantly performing flat pattern calculations when many don't need it..
Also due to limitations in the current unfolders there are many parts that Inventor can't create a flat pattern for yet they are still modeled in the sheet metal environment..
I offend see people, have to go back to the model, when the won't to place a flat pattern on a 2d drawing! Because they forget to mark the flat pattern, before they close the file.
It have to a an options settings, in Application Options, Part. 'Setting for flat pattern, on close/saved/check in to vault' -None -Automatic Flat Pattern -Automatic Flat pattern, prompt for A-Side, if not already defined.
If there is no solid body - the flat pattern will fail. At what point during the creation of features would you like the flat pattern to be generated? Or, to put it another way - how does Inventor know when we've finished designing the part?
As an aside, yes there could also be performance issue. The Flat pattern is actually a separate model stored in the same file. So a Sheet Metal part without a flat pattern will be smaller than one that does have a flat pattern.
I'm not against this idea, but I think that we would have to describe (in detail) a process that is significantly better than the current one for the developers to take notice!
An automatic 'nag' on file close, as described in the previous comment by Rasmus i.e.
'Would you like to generate a flat pattern now? Yes/No/Don't show me this message again'
I put together my assembly without caring about making flat patterns
When I am ready I just press a button and 2 thinks will then happen.
1) All sheet metal parts in the assembly is converted to flat pattern.
2) At the same time all these flat patterns is converted to DXF files and automaticaly sent to a designated folder where out workshop picks up the dxf. It also write over older DXF without questions! 🙂
This tool also makes automatic drawings and place them in correct folder
Yes @Mustang69 there are a many add-ins and Ilogic kodes that can do an unfold, if it not already exist, when you export to dxf. - But I have not found one that handles the regarding a-side function. - Especially when you work with stainless steel, it is important to get the right side up.
@PaulMunford abut the file size I just test it on a single file, and the file was 241 KB larger with flat pattern.
Today we have a client who have install an add-in, that make flat pattern after first save, this is because it is important which side is the A-side in their products.
Process on save:
-It do only run if there are 1 Solidbody in the part.
-Promt for A-side, if not already defined.
-If there is non Solidbody like @PaulMunford mention, it will not run.
-if there are more the one, it will not run because the model is a Multibody.
We’re archiving this Idea because it's been on the board for well over a year and hasn't received many votes from the community. If you want to raise it again and try to gain more support, you're welcome to do so.
