GM/CA @ APS offers a unique minibeam capabilies through user-selectable quad collimators. With just one click of a button on the JBluIce-EPICS application users can select between 5, 10, and 20µm pinholes or 300µm scatterguard.
Minibeam Controls on JBluIce-EPICS Sample Tab
More about GM/CA @ APS minibeam functionality can be found in these publications: