Add an Equal Radius Constraint

General

• The equal radius constraint can be added to circles and arcs.
• The other party of the equal radius constraint can also be a cylindrical surface.
• The constraint can also be added to several selected circles/arcs at once.

Add an equal radius constraint to a 3D sketch

Define to the two circle and arc the same radius.

1. Select the function 3D Sketch | Constraints | Add equal radius constraint or
   • Select the context-sensitive function Constraints > Equal Radius
2. Select the first circle or arc.
   • The radius of this circle or arc is preserved, unless a radius or diameter constraint is defined for the arc/circle being clicked next, or a cylindrical surface is being clicked next.
   • If you hold the cursor in place for a while after clicking the arc/circle, the program opens a mini toolbar with a button in the upper right corner of the cursor.
3. Click the second circle, arc or cylindrical.
   • The radius/diameter of this arc or circle will change unless it already has a radius/diameter constraint.
4. Add new equal radius constraint by repeating steps 2 and 3.
   • If necessary, stop continuously defining the equal radius by selecting the function again and after the first circle is clicked, select the mini toolbar function
5. Stop adding the equal radius constraints
   • Select another function or
   • press the V key or
   • press the Esc key or
   • click the middle mouse button.

Add a constraint to multiple circles or arcs at the same time

1. Select the circles and arcs that you want to give the equal radius to.
   • Hold down the Ctrl key while clicking the elements.
2. Select the following contextual function: Constraints > Equal Radius.
   • Circles/arcs receive the radius of the first clicked circle/arc, unless the selected circle/arc already has a constraint that defines the radius.