Sounds like your ideas are somewhat similar to what CAD programs do with relations and dimensions etc. For example in SolidWorks you can define the following ty

Sounds like your ideas are somewhat similar to what CAD programs do with relations and dimensions etc. For example in SolidWorks you can define the following types of relations between features in the sketch, in addition to basic dimensions (length/radius/angle): https://help.solidworks.com/2019/english/SolidWorks/sldworks/HelpViewerDS.aspx?version=2019&prod=SolidWorks&lang=english&path=sldworks%2fc_Description_of_Sketch_Relations.htm&verRedirect=1 https://help.solidworks.com/2019/english/SolidWorks/sldworks...