public async Task CanRebuildASquareSheet() { await CreatePartDoc(async (modelDoc, yielder) => { var box = Modeler.CreateSheet(Vector3.Zero, Vector3.UnitZ, 2); var faces = box.GetFaces().CastArray <IFace2>(); var sheets = faces .Select (face => { var faceParams = BSplineFace.Create(face) .TransformSurfaceControlPoints (ctrlPts => ctrlPts.Select(v => new Vector4(v.X + 2, v.Y, v.Z, v.W))); return(faceParams.ToSheetBody()); }) .AssertAllSome() .ToArray(); using (box.DisplayUndoable(modelDoc)) { await PauseTestExecution(); }; //foreach (var sheet in sheets) //{ // yielder(sheet.DisplayUndoable(modelDoc)); //} var error = (int)swSheetSewingError_e.swSewingOk; var body = Modeler .CreateBodiesFromSheets2(sheets, (int)swSheetSewingOption_e.swSewToSolid, 1e-5, ref error) .CastArray <IBody2>(); body.Should().NotBeEmpty(); yielder(body.DisplayUndoable(modelDoc)); await PauseTestExecution(); }); }