The Stroke Size of a figure (width of a stroke in pixels)can be altered by accessing the Stroke Window. This attribute window can be opened in one of the following ways:
Press on the Stroke Button located in the Drawing Toolbar.
Press on the Info Button in the Top Toolbar.
Tap on the Stroke option to open the following popover window.
To alter the Stroke Size:
Tap on the On/Off toggle slider in upper right hand corner of the Stroke Window to turn on the option. The slider will appear with a green background when this option is enabled.
Press on the Plus/Minus Buttons to increase or decrease the size by increments of one or perform a Single Tap on the text entry field to open the keyboard and type in a value.
Tap anywhere within the Drawing Editor to close this window after changes have been made.
Note: A size change will be seen instantaneously when a stroke figure is selected. If no figures have been selected, the size change will apply to all subsequently created stroke figures.