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Re: Petition to open the Parasolid kernel source code
In general it would be brilliant to have an open source alternative at the level of Parasolid. I just think that wanting it is not enough. E.g. Blender was bought off from the original owners by the community to be "freed". Perhaps there could be an offer where Siemens would actually agree. I think the sum would be very high and need a lot more enthusiasts than we needed for the Blender buy-out back then. But who knows?
In any case - good luck!

Re: Linear Feature Pattern not generating
Mouse over the red feature header - it'll tell you to use the "Reapply features" option.

Re: Can't subtract derived part but don't know why
When you are trying to "Offset all", you are automatically including a LOT of faces that really have no impact on the cutout, except of course to mess it up. If you just do the Boolean subtract with no offset, this is what you get:
Note how those copper traces from the PCB are imprinted too. Those pockets have a depth of 0.035mm….
It would be better to a) simplify the PCB to remove those faces before doing the Boolean subtract without offset, then b) offset the faces in the cutout
Alternatively if you don't want to mess with the PCB, you could a) do the Boolean without the offset, b) remove the faces of the pockets left by the PCB trace (see image below), then c) do the offset of 0.2mm
Re: How can I make a design to laser cut?
It sounds like you are making the process unnecessarily complicated. I'd suggest starting from scratch with Onshape, using some custom features. Check out this video:
Re: Print a sheet metal flat pattern
You don't even need a custom feature or a drawing. Just open the flat pattern and right click in the flat pattern area → "export as dxf".
If you store as a new tab, the Ares Kudo viewer has a "print to PDF" option. Or use another DXF viewer to print it out.
Re: Onshape Sign In Page Customers
I am just an independent modeler who has a program I just submitted to be showcased. Our program restores historical locomotives from original build records, and we donate 100% of our time, and the finished display to the museums who have little or no budgets for large locomotive restorations. So we are using todays technology, including Onshape, to restore railroad history. I hope we have an opportunity to tell the story of our adventure.
Feature Request: Multi-select custom property fields
It would be great to expand on the 'List' custom property field to allow multi-select - we have multiple use cases where this would be hugely beneficial!
Re: Flip an arc (mirror without duplicating)
dimension to the centerpoint and make it negative.
this is only one solution for the sketch to solve this negative value.
if you fix the radius and try flipping the geometry, it's not going to work…
Re: Can we expect Feature Folders on mobile Onshape?
I agree. I almost always folderize features, it’s odd to open my documents on my iPad and not have the folder structure I made. It must be intentional, but I can’t think of the benefit of not having this on mobile.