What files should I upload for a 3D printing quote?

Upload your 3D CAD file (STEP preferred) and, if you have one, a drawing with what's critical, datums, mating surfaces, how it should look, where it will be used, loads, and how many parts you need.

How do I know if my part should be 3D printed or CNC machined?

It depends on strength, finish, detail, tolerances, and where it will be used. We review your geometry and tell you whether FDM or CNC machining fits better.

Are 3D printed parts suitable for end-use?

Yes—especially in FDM engineering plastics like PETG, ASA, or fiber-filled nylon. For higher loads or temperatures, a reinforced polymer or a part machined in metal may be the better fit.

How accurate are 3D printed parts?

Accuracy depends on process, geometry, and orientation. Critical datums and tight interfaces may require post-machining. Define CTQs early for best results.

Can you add inserts or machine critical surfaces?

Yes. We install heat-set inserts, tap threads, add helicoils, and machine sealing faces or datum surfaces when tight tolerances are required.

What drives cost in 3D printing?

Key drivers include material type, part volume, build orientation, support requirements, post-processing steps, and whether critical features require machining.

From 1 Part to Production

Rapid 3D Printing

We print your part in FDM so you can test fast, validate, and produce—starting at 1 part, no minimums. We review your design and tell you if FDM or CNC machining fits better. For anyone who needs a part: students, makers, startups, machine shops, engineers and businesses of any size.

From 1 part, no minimums
PLA, PETG, ASA, polycarbonate, carbon-fiber nylon and more
We tell you whether FDM or CNC machining fits better

Request a quote Manual quote

Upload your file and quote your printed part

CAD model of a lightweight robotics bracket with open ribs and slotted base — Bracket · PA-CF

CAD model of a curved air duct with mounting flange and circular outlet — Duct · ASA

CAD model of a cylindrical housing with a hexagonal lattice — Housing · PETG

Upload your 3D filesDrag your files here

STEP, STP, STL, 3MF, DXF, DWG · Drawings as PDF or photo · Start without an account

Confidential files. Your design and intellectual property stay yours.

No CAD file? Request a manual quote

Home/Capabilities/Custom Additive Manufacturing Services/3D Printing

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Manufacturing services

From 1 Part to Production

Rapid 3D Printing

From 1 part, no minimums
PLA, PETG, ASA, polycarbonate, carbon-fiber nylon and more
We tell you whether FDM or CNC machining fits better

Request a quote Manual quote

Upload your file and quote your printed part

Upload your 3D filesDrag your files here

STEP, STP, STL, 3MF, DXF, DWG · Drawings as PDF or photo · Start without an account

Confidential files. Your design and intellectual property stay yours.

No CAD file? Request a manual quote

Home/Capabilities/Custom Additive Manufacturing Services/3D Printing

3D Printing Services

Why Choose PREMSA for 3D Printing

At PREMSA we 3D print your part with how it will be used in mind: we look at what's critical from the start (datums, fits, sealing surfaces, interfaces, and visible faces) and tell you whether FDM or CNC machining fits what your part has to do.

We control what changes a printed part the most: orientation, directional strength, warp, support marks, thermal distortion, and surface texture. We plan design, material, and post-processing so your part assembles right and passes its tests.

From a single prototype to production runs, we repeat parameters, keep traceability, and do secondary ops (inserts, tapping, machining of critical surfaces, finishing, and assembly/kitting). You get parts that work the same every time—not one-off prints that only look good on the bench.

What is 3D Printing?

3D printing (additive manufacturing) builds parts layer-by-layer from plastics, resins, or powders. At PREMSA we print in FDM, with thermoplastic filament. It's ideal for fast iteration, complex geometry, and runs where a mold doesn't make sense.

A good printed part balances orientation, supports, material, and post-processing. When that's planned right, 3D printing delivers consistent parts for testing and end use.

How PREMSA Works

From uploading your CAD to getting your parts—fast and straightforward.

app.premsaindustries.com

Your three parts uploaded to the portal, each in 3D with its dimensions

System Status20% Complete

Technical Advantages

Fast Iteration Without Tooling

Ideal when your design changes often and you need to test it soon.

Complex Geometry

Internal channels, lattices, and consolidated assemblies can reduce part count and assembly time.

DfAM-Driven Strength Strategy

Orientation and material selection are planned around load paths—not left to chance.

Controlled Cosmetics via Post-Processing

Bead blast, dye, coatings, and smoothing options help hit cosmetic grade when required.

End-Use Polymer Options

PETG, ASA, fiber-filled nylon, and other engineering plastics in FDM work for end-use parts.

Secondary Ops Integrated

Heat-set inserts, tapping, bonding, and machining of critical surfaces deliver assembly-ready parts.

Production Benchmarks

3D Printing Capacity & Envelope

Part Size & Geometry Range

Feasibility depends on process, wall thickness, orientation, and distortion risk. Large flat parts may require orientation changes or segmentation.

Reviewed by CTQ

Feature Resolution & Detail

FDM prints durable thermoplastics with coarser features than other processes. For very fine detail or tight tolerances, we machine the critical surfaces—or the whole part—on CNC.

Geometry-dependent

Throughput & Batching

Bed layout and batch planning set how many parts come out. We pack and orient for consistent quality and delivery.

Prototype → Production

Not sure which process to choose?

Send us your CAD and what your part needs, and ask for a design review. We'll tell you if FDM or CNC machining fits better, and which orientation, supports, and material to use, before you order.

Quality & Tolerances

Printed-part quality depends on orientation, temperature, and post-processing. Define critical-to-quality (CTQ) features up front (datums, fits, sealing surfaces, holes, and visible faces) and we protect performance without raising cost.

Category	Technical Capability	Engineering Notes
Dimensional Control, Orientation & Stability	Dimensional outcomes vary by process and are influenced by orientation, support strategy, thermal distortion, and post-processing. CTQ features can be controlled by designing datums correctly and machining critical interfaces when required.	Tolerance the interfaces that drive fit and function. If a face is a datum in assembly, consider post-machining or a design strategy that protects it from support scarring/distortion.
Surface Finish, Layer Lines & Post-Processing	FDM leaves visible layer lines. The finish (bead blast, dye, coating, polishing) is chosen based on how your part should look.	Define cosmetic faces and acceptable witness zones. If cosmetics are critical, call out finish targets and the allowed post-processing methods.
Process Repeatability, Lot Traceability & Control Plans	Repeatability improves with locked parameters, consistent material lots, and standardized post-processing. Traceability can include material batch, build ID, and revision control when required.	If you need formal documentation (sampling plans, capability evidence, change control), ask for it early so we plan the print around your quality system.
Material Conditioning, Storage & Hygroscopy	Many plastics absorb moisture and need proper drying and storage. Wet filament causes porosity, weak layers, and dimensional drift.	If performance is critical, so is drying the material. Tell us the exposure, temperature, and any chemical contact so we pick the right material.

Baseline Standard: Commercial additive practices unless CTQ, cosmetic class, or validation is specified

Materials

Material drives strength, thermal resistance, chemical compatibility, surface finish, dimensional stability, and durability. Tell us where your part will be used, its loads, tolerances, and critical features so we can recommend the right material.

FDM Thermoplastics

FDM is widely used for engineering prototypes, fixtures, jigs, manufacturing aids, and low-volume functional parts. Mechanical performance depends on material family, wall design, infill strategy, and build orientation.

Post-Processing & Secondary Operations

A printed part needs post-processing to look right, fit at its interfaces, and perform mechanically. We choose the steps based on your part's geometry, material, and use.

Secondary Operations & Surface Options

Design for Additive (DfAM) (DFAM)

Guidelines to control warp, anisotropy, supports, interfaces, and CTQ outcomes.

Design Feature	Technical Recommendation
Wall Thickness & Minimum Features	Maintain consistent wall thickness and respect minimum printable features based on process. Thin unsupported walls increase warp risk.
Supports, Orientation & Warp	Part orientation drives strength direction, surface finish, and distortion. Plan supports to protect cosmetic faces and datums.
Holes, Threads & Inserts	Print holes undersized when needed and finish-machine critical fits. Use heat-set inserts or helicoils for structural threads.
Tolerances & Mating Interfaces	Treat mating surfaces and sealing faces as CTQs. Machine datums when repeatable assembly alignment is required.
Lattice / Infill & Strength Strategy	Align infill and orientation to load paths. Avoid assuming isotropic behavior in polymer additive processes.
Drawing & Specification Checklist	Define CTQs, cosmetic zones, datums, fit classes, environment, and expected quantity before build release.

Applications & Industries

3D Printing Applications

Functional Prototypes

Engineering validation parts for form, fit, and mechanical testing before production tooling.

Jigs, Fixtures & Tooling Aids

Custom fixtures, soft jaws, gauges, and assembly aids, made fast for your line or your shop.

End-Use Parts

Ready-to-use nylon or engineering plastic parts when a mold doesn't make sense.

3D Printing Industries

Electronics and Semiconductors

Custom enclosures, thermal management components, fixtures, and rapid prototyping for electronic and semiconductor equipment.

Industrial

Functional prototypes, machine components, guards, brackets, and tooling used across industrial production environments.

Robotics

Lightweight structural parts, sensor mounts, cable management components, and custom robotic end-of-arm tooling.

FAQs & Knowledge Base

3D Printing FAQs

3D Printing Services

At PREMSA we print functional prototypes, tools, fixtures, and production parts in FDM. If your part needs machined tolerances or metal, we make it with CNC machining in the same plant.

Request a quote when you have 3D files, material, and finish defined.

PREMSA ecosystem

Services, guides, and tools for 3D printing services

We make parts in Monterrey for anyone who needs one, shipping across Mexico and worldwide. We deliver prototype and production additive routes with ISO 2768 tolerances, engineering materials, and prototype-to-production routes. Use the technical references below and quote online with STEP or STL files.

Additive technologies

Engineering tools