```mermaid
sequenceDiagram
autonumber
actor BoardDesigner as Board Designer
participant JigsApp as The JigsApp
participant ManufacturingPartners as Manufacturing Partners
BoardDesigner ->> JigsApp: Submit PCBA Design Project
activate JigsApp
loop Until Design Approval
JigsApp ->> BoardDesigner: Generate Visuals & PCB (Approx. 5 minutes)
activate BoardDesigner
BoardDesigner ->> JigsApp: Review and Approve Design
deactivate BoardDesigner
end
JigsApp ->> ManufacturingPartners: Place Manufacturing Order
deactivate JigsApp
activate ManufacturingPartners
ManufacturingPartners ->> JigsApp: Manufacture Test Jig (Approx. 1 week)
deactivate ManufacturingPartners
activate JigsApp
JigsApp ->> BoardDesigner: Ship Fixture Kit(s) (Approx. 2 days)
deactivate JigsApp
activate BoardDesigner
BoardDesigner ->> BoardDesigner: Assemble Kit(s) (Approx. 30 minutes)
deactivate BoardDesigner
```