Between a CAD file and a product you can hold sits prototyping — the cheapest, fastest way to discover what your design got wrong before production tooling commits. PBDP's rapid prototyping and 3D printing service sells answers, not objects: does this housing accept the board, does this mechanism jam, does this form feel like quality in a hand? Each question demands its own method, material and tolerance, and choosing between them is our job.

Why prototype before you tool

Injection moulds are unforgiving; a flaw found after cutting costs weeks and real money. A printed part costs a fraction and can be revised overnight. Paired with industrial design, a physical model also filters taste early — holding something differs from viewing a render. Once the model is confirmed, mould design follows the frozen geometry, and the whole chain gets shorter.

What a prototyping project delivers

• Function-first printed parts: FDM, SLA resin or SLS powder, selected against the question the part must answer.
• Fit checks: the electronic board actually screwing into the enclosure, connectors aligning, buttons clicking.
• Finishing and assembly: sanding, priming, painting, smoothing, threaded inserts and engineering bonding.
• Dimensional verification: measured against tolerance with CAD revision where the process drifted.
• Form testing with users: scale models placed in usability testing to validate ergonomics and perception.
• Findings report: warp, shrinkage and wall problems documented so the design updates — not the hope.

Rapid prototyping, step by step

1. Goal definition: form, fit or function — each needs a different process.
2. Recommendation and quote: technology, material, layer height and delivery date.
3. File preparation: orientation, supports and shrinkage compensation tuned for printing.
4. Printing: production of parts, sometimes several variants side by side for comparison.
5. Post-processing and assembly: support removal, surface work and fitting the set together.
6. Test and revise: a fast loop until acceptance, with lessons folded into manufacturing documentation.

From print to mould: a short but dangerous path

Printed plastic is not injected plastic: it is layered, it absorbs moisture, and its strength differs by direction. We compensate at the drawing stage — shrinkage allowances, avoiding undercuts that complicate the mould, planning ejector marks — which is the output of a design-for-manufacturing review from our product engineering team. That extra pass buys weeks at the tool shop, because a printed part earns a decision, not a commitment.

Frequently asked questions

Which technologies and materials do you use?

FDM with PLA, ABS, PETG and engineering-grade filaments; SLA resins for fine detail and smooth surfaces; SLS nylon for functional moving parts. We recommend against your question, not our machine inventory.

What is the turnaround?

Simple parts often return within 24 to 48 hours; multi-part assemblies with finishing take up to a week. Rush programmes run on a compressed schedule with staged deliveries.

Can printed parts serve in the final product?

For low-volume custom or spare components, yes — engineering prints carry real service loads. At production volume we recommend the proper process and prepare the validated files for that transition.

Send your STL or STEP files and contact PBDP for a recommended prototyping route with price and lead time; earlier builds are on display in our project gallery.