Yunus Bey, there are not only ideCAD administrators in the Forum. Many people who do not use ideCAD benefit from this, but they answer questions when necessary. Completely in good faith, without expectation. I think asking questions is also an etiquette. If we are engineers; I think we should diagnose the problem correctly, specify the work we have done to solve the problem, and finally request help. I believe it's disrespectful to post "curtain cutout does not provide security" as if you were in a school study group and upload a model file without any explanation. Good work.