To get a bond angle between 3 atoms, type angle then click on the three atoms with the mouse and press enter. In the following case, Q2 is renamed to O7. If you want to delete an atom, just exclude it - that's all it is. When you type END to finish the session. WinGX will then warn if there are still any Q peaks that have not been assigned.
Join creates bonds.
It is also possible to have bonds as dotted lines. An example of this would be to add bonds to all Oxygen and Cesiums having a bond distance between 3 and 4 angstrom. The Connect taper and connect thickness commands can also be used to setup default bond attributes on the screen. Printing Postscript Files from Cameron Cameron can give quite nice Postscript output. This is done in two stages.