1) Open Customize and select New toolbar.
2) Type new Name. FPOWP (Format, Place on Workplane in this case).
3) Select text command in this case and drag it to the new toolbar. In progress.
4) Right mouse click on new tool Text and change the button image.
5) Close Customize and The tool is ready for use.
Note that most tool commands already have a tool icon so you don't usually need to change the button.