Most efficient way to orbwalk/ stutterstep (keyboard/ mousewise)?

Up till now I've only been able to do it with move command -> press attack closest target key -> left click the desired spot on the ground. I've been wondering if there's a more efficient way to do this because it seems awfully clumsy at 2+ AS... needs to be legal of course so no shady macros from 3rd party programs. Thanks!
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