Method to close a triangle in LDCad:
- Select one "end" pin, then the matching articulation pin, then the other articulation pin and finally the last "end" pin.
- Right click -> selection info -> display the information panel and triangle angles.
- Choose either the red or green lines configuration depending on your needs.
- Click on the box with matching outline color to copy values in clipboard.
- Now select first articulation pin (to define rotation center) and parts belonging to first triangle arm.
- Press Ctlr R to enter manual rotation, and paste clipboard in angle value. Eliminate the second value, as we are working with the first arm. Accept.
- Select second articulation pin (to define rotation center for the second arm) and parts belonging to second triangle arm.
- Press Ctlr R to enter manual rotation, and paste clipboard in angle value. Eliminate the first value, as we are working with the second arm. Accept.
- Get rid of extraneous "end" pin(s).