Remote CAD Designer — Functional Modeling and 3D Printing

GreenSpire Farming Tech, S.L. is looking for a remote technical collaborator for ongoing support in functional CAD design and 3D printing. Type: remote freelance/services contract. Initial commitment: 60 hours/month. Initial fee: $300 USD/month. Scalable to 80 hours/month and $400 USD/month based on workload, performance and continuity. Duration: ongoing collaboration as long as objectives and deliverables are met. Project: GreenSpire develops modular agrotech hardware for controlled environment agriculture. We need technical support for CAD modeling, printable part preparation, functional prototyping and basic manufacturing documentation. Tasks: 3D CAD modeling of functional parts STEP/STL file preparation FDM 3D printing optimization Basic tolerance, fit, support, cap and fixture adjustments Printability review: orientation, supports, walls, infill and material File, version and change organization Weekly coordination with technical direction Requirements: Proficiency in Fusion 360, SolidWorks, Inventor, Onshape or similar Real experience designing parts for 3D printing Basic materials knowledge: PLA, PETG, ASA, ABS, TPU or nylon Strong documentation skills and ability to follow technical instructions Good communication, deadline compliance and confidentiality Portfolio required Conditions: Paid technical test before starting NDA required Full IP and industrial property transfer of all deliverables to GreenSpire Progressive and fragmented access to technical information Continuity review at 30 and 90 days