Design process review
Clarify drawings, expected function, constraints and practical design direction before committing to a build path.
Consultation & Technical Assistance
Use consultation when the next step is unclear and the project needs practical review around materials, workflow, drawings, assembly or manufacturing decisions.

Consultation fit
Consultation should reduce uncertainty before money is spent on the wrong process, material, supplier path or assembly detail.
Clarify drawings, expected function, constraints and practical design direction before committing to a build path.
Discuss likely material, handling, assembly and workflow considerations that affect the quote or outcome.
Use early technical input for project-specific questions, faultfinding context or manufacturing decision support.