The Grips ("dots" at the ends resp. corners) at ProSteel-objects are a helpful tool in order to adjust the parts: lengthen/ shorten of shapes, streching of plates. Sometimes you may happen to find they are not working properly like the streching doesn't work precisely any more.
Assumedly because of a change between metric and imperial working scale ProSteel happend to change the settings for the Grip's Increment; the values have to be set to zero:
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