Error in Fasteners
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When reviewing fasteners, split washers you have an issue between the dialog and the physical part inserted. I have included two screen captures.
1) The dialog shows the split washer open, there should be an option of the washer closed. The washer is shown incorrectly. when open the edges of the split are parallel to each other. This comes during manufacture when the are cut .
2) The washer when inserted into the drawing is closed, not open as it was in the dialog. The spilt at this this point is where the angle should be that creates the bite to lock the washer
What needs to be done is to ask the user if the want the washer compressed or not and display the correct image. you had this capability in the early 90's in AutoCAD by Design Pacifica Parametric Library. I know because I co-wrote the library. The correct size is important because simulation the mass/weight if off can impact production. Imagine a turbine engine being simulated, then built. The engine self destructs because of the wrong mass calculation of the fasteners. This actually happen with our competitor libraries.