Sorry if it is obvious but where is this LibPack? Nothing in FreeCAD repo or Apeltauers github...

Part_Attachment explains meaning of different attachment modes and their parameters.
In your file change Attachment Offset.Position.Z of Sketch001 to 5mm and this will move your sketch where you need it. This is in Properties of the sketch.

I am not sure what was distracting in my comment/method? I redownloaded the file, started a fresh FreeCAD instance and opened the file from File menu and as you can see in the attached screenshot npo errors at all. . single_dimension (1).JPG . Now I renamed my FreeCAD settings folder, started fresh ...

Good luck and keep us posted

And here is one from me: . First Try_kiss.JPG . model file does not contain smaller fillets from the image due to forum size restrictions. I did not trim the circles to create arcs. I just created the corresponding arcs, added corresponding equalities between them and then applied tangency between s...

As I already mentioned can somebody confirm a WORKING BOP check after pad/pocket with shapestring?

So I tried and 0.18.4 and even 0.17.13541 fails with any pocketed shapestring... This is under Windows. Could somebody try to pass BOP check to any pocketed shapestring? It either gives "BOPAlgo OperationAborted" or crashes FreeCAD.

As mentioned on multiple occasions grid is just an aid and having a hardcoded upper limit is Ok by me.

In your previous posts you were running 21125 and now 20900 ?!?

Datum lines and polar pattern. Datum planes and mirror.