I don't know if this is the "best" way but you could try hiding the bigger entity, doing your pick, then unhiding it again.
HideEntity ent
<your picking command>
ShowEntity ent
HideEntity ent
<your picking command>
ShowEntity ent
Pickable objects
Blitz3D Forums/Blitz3D Programming/Pickable objectsThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.