self-directed travel; independent itinerary; free plan
Wasei-eigo term used especially in travel contexts to describe a trip where the traveler arranges their own schedule, as opposed to a guided tour. Also used more broadly for acting independently or at one's own discretion.
wasei-eigo (Japanese-coined English), from free plan
This trip is a free plan; we'll go around freely without a guide.
With a free-plan tour, you can sightsee at your own pace.
customized planning; bespoke design
Used in architecture, interior design, and similar fields for tailored planning or bespoke design, such as custom home layouts.
This home builder offers free plans, so you can freely decide the floor plan.
With a bespoke design, you can build a house that fits your family's lifestyle.