
Prototype Tooling and Injection-Molded Samples
Turn a drawing into a mold trial that answers a clear engineering question. Discuss prototype injection molds, molded samples and the evidence needed to hand the design over to production.
Turn a drawing into a mold trial that answers a clear engineering question. Discuss prototype injection molds, molded samples and the evidence needed to hand the design over to production.
Evaluate prototype injection tooling around the intended resin, critical geometry, sample quantity and transition to production.
See details →Set up the sample plan for a mold trial, including drawing revision, critical dimensions, cosmetic checks and assembly approval.
See details →Prepare the drawing, sample, inspection and tool-interface records needed to move from prototype tooling to production planning.
See details →

OPINOX brings together mold design, CNC machining, EDM, injection molding and assembly. Our company is based in Dalang, Dongguan, China, with 20 years of experience serving B2B customers.
Actual OPINOX workshop footage.
A close view of a CNC cutter machining a metal mold block, with coolant directed onto the cutting area.
A close view of the injection molding area, with black cylindrical plastic parts visible beside the machine.
A technician working on a mold block at a machining workstation.
Watch the spindle and cutting tool work on a metal mold block.

Share the CAD revision, critical interfaces and appearance zones for the part.
OPINOX capabilities →
Discuss the tooling scope, part geometry and how to evaluate trial samples.
OPINOX capabilities →
Confirm material, assembly needs and the path from sampling to repeat production.
OPINOX capabilities →These review points are for new projects.
Latest CAD and drawing with marked fit and appearance zones
View review checklist →Drawing revision, resin grade and intended surface
View review checklist →Approved revision, resin, finish reference and signed-off samples
View review checklist →Include the revision, use conditions and estimated quantity.
Agree on materials, interfaces and tooling responsibilities.
Review appearance, assembly and agreed inspection points.
Agree on the accepted revision, checks and production plan.
Compare direct-printed prototypes, machined prototype tools and printed mold inserts by the engineering decision your samples need to support.
Read the procurement guide →Share the application, project stage and estimated quantity to start the review.