http://onlinecadtools.com The site can generate scripts for sheet metal unfolds, gears, etc. engineering elements.The dimensions are set in the form fieldsThe forms also contain sketches of the dimensions set in the fields.As a result, they return a script file SCR or a DXF file.They also return a textual representation of the calculations in coordinates, through which you can also build the unfolds by hand. Some of the forms require a password. It is purchased and provided automatically after payment in PayPal. The amount is kept in a database record and you can use it multiple times until it runs out.In this YouTube channel you can watch videos describing the sitehttps://www.youtube.com/@valentinlishkov9540