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T-FLEX Parametric CAD. Fundamentals. 2D Design

T-FLEX Parametric CAD. Fundamentals. 2D Design

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<strong>Fundamentals</strong>. Two-Dimensional <strong>Design</strong><br />

Arc by center and ends<br />

276<br />

Creation of an arc with the specified center is done in the mode provided by the option:<br />

Central Arc<br />

To construct a central arc, specify the center and radius (diameter), as well as<br />

the start and end angles of the arc. This can be done freely by using , or<br />

exactly in the property window. After defining the center, a circle starts<br />

rubberbanding on the screen. The input boxes become accessible in the<br />

property window for entering the radius (diameter) and the start angle of the<br />

arc. Those can be defined by moving the pointer to the desired position and<br />

clicking . Next, move the pointer along the fixed circle in the desired<br />

direction of the arc, and once more click .<br />

To quickly flip the arc direction, one can use the key. Besides, the arc angle can be defined in the<br />

property window after fixing the input radius and the start angle of the arc with the [Enter] key or<br />

clicking in the drawing area.<br />

At the third step of the arc construction, the system offers snappings to<br />

typical angles of the arc.<br />

Tangent arc<br />

To create an arc, tangent to a graphic entity (an arc or a line segment), start the respective mode with the<br />

icon:<br />

Tangent Arc

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