You can find any tool by the Menu Structure HERE: https://turbocaddoc.atlassian.net/wiki/display/TC21UG/Menu+Structure
You can find the menu location of any tool by name HERE: https://turbocaddoc.atlassian.net/wiki/display/TC21UG/Tools+Mapped+to+Menus
Segment and Entity Dimensioning
For linear dimensions (orthogonal, parallel, and rotated), you can define the dimension by selecting two points (manually), or you can select a segment or entire object to dimension.
Segment and Entity modes are options on the local menu, as well as on the Inspector Bar while using a linear dimension tool. Once you have selected a dimensioning mode, the mode remains in effect until changed.
Tip: If you generally prefer one of the dimensioning modes over the others, you can save it in a drawing template. To do this, use File / Save As to save the file as a .tct file (TurboCAD Template). Place the template file in the "Template" folder of the TurboCAD root directory. Then when you want to open the template, use *File / New, and select New from Template.
In Segment mode, select any line segment, and the dimension between endpoints is created.
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Segment mode - orthogonal dimension
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Segment mode - parallel dimension
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Entity mode - parallel dimension