Give me a grammar analyse to this long sentence plz.?

and translate it into simple english sentence ,ok ? thanks .

Until recently, CAD tools would not allow industrial designers to physically touch 3D computer models, but collaborative research between academic and commercial groups (e.g. Massachusetts Institute of Technology and SensAble Technologies) has led to the provision of computer-aided 3D form creation and evaluation tools that attempt to replicate the interaction experienced during physical 3D modelling .

[It's necessary for comprehension to break the passage into more than one sentence.] Until recently, computer-assisted design (CAD) tools did not permit industrial designers to make actual physical contact -- that is, touch -- the three-dimensional models they designed. Now, however, cooperative efforts between academic and business groups like the Massachusetts Institute of Technology and SensAble Technologies have led to CAD tools for shaping objects and for evaluating the results. These new tools try to reproduce the "look and feel" one experiences in the act of actually creating a physical three-dimensional model.

till a few days back,that is ,before a few days or years,cad tools did not allow industrial designers to touch 3d comp.models.but more research has allowed comp helped 3d form -creation an evaluation tools that try to recreate interaction experienced during 3 d modelling.

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