Shop3D is now Dextri. Same team, same 3D printing service — just a new name.
3D Printing for Engineers

Engineering 3D printing for prototypes, tooling, and end-use parts

Dextri supports engineers and technical teams with UK-based FDM printing for design validation, workshop tooling, custom enclosures, replacement components, and low-volume production. Send the model and application requirements; we will help translate them into a practical print specification.

ApplicationsPrototypes, jigs, fixtures, housings
ProductionOne-off development to repeat batches
Input formatsSTL, STEP, 3MF, OBJ
SupportMaterial and printability review
Engineering Applications

Fast physical parts without production tooling

FDM 3D printing gives engineering teams a direct route from CAD to a physical component. It is particularly effective during development, when geometry is changing, and for low-volume applications where conventional tooling would add cost and delay.

Printed parts can be used to check clearances, validate assembly, test ergonomics, hold workpieces, protect electronics, route cables, or replace a specialist component. A proven design can then be supplied in repeat batches without committing to a large minimum order.

We focus on the variables that affect real performance: load direction, layer orientation, wall thickness, temperature, UV exposure, flexibility, and critical interfaces. Tell us which dimensions and behaviours matter so they can be considered during review and quoting.

Engineering uses for FDM 3D printing

Flexible manufacturing support from the development bench to the workshop floor.

1

Functional prototypes

Evaluate fit, assembly, access, handling, and basic mechanical function before committing to a final process.

2

Jigs and fixtures

Create drill guides, locating fixtures, assembly aids, inspection holders, and repeatable workshop tooling.

3

Machine and equipment parts

Produce guards, covers, sensor mounts, cable guides, handles, spacers, and other non-safety-critical components.

4

Electronics enclosures

Manufacture custom housings, faceplates, mounting frames, strain relief, and low-volume equipment cases.

5

Legacy replacement parts

Restore suitable obsolete components when a printable model can be supplied or developed from accurate measurements.

6

Bridge and batch production

Supply usable parts while production tooling is prepared, or manufacture specialist components in repeat low volumes.

Information that helps us quote accurately

A CAD file shows the geometry; the application tells us how the part needs to perform.

Functional requirements

Describe the load case, expected service life, movement, impact, vibration, and whether failure would create a safety risk.

Operating environment

Include working temperature, outdoor or UV exposure, contact with water or chemicals, and any hygiene requirements.

Critical features

Identify mating faces, holes, threads, bearing locations, clearances, and dimensions that are important to assembly.

Quantity and schedule

Tell us whether the requirement is a single trial part, several design iterations, or an expected repeat batch.

Engineering material options

Material selection should follow the application, not just the appearance of the part.

Development

PLA / PLA+

Dimensionally stable and well suited to form, fit, layout, and lower-demand indoor prototypes.

General purpose

PETG

A useful balance of toughness and practicality for many housings, brackets, guides, and workshop parts.

Compliant

TPU

For flexible features, bumpers, protective pads, grips, strain relief, and vibration-damping components.

Heat capable

ABS

A tougher choice with better heat performance than PLA, appropriate for suitable indoor engineering applications.

Outdoor

ASA

Preferred for suitable external components that need improved weather and ultraviolet resistance.

Higher performance

Polycarbonate

For more demanding applications requiring high impact resistance and improved temperature capability.

Questions from engineering customers

Can you print directly from a STEP file?

Yes. STEP is useful for geometry review, while STL and 3MF are common print-ready formats. Upload whichever suitable file you have.

What tolerances can FDM printing hold?

Achievable tolerance depends on size, geometry, orientation, material, and the feature being measured. Mark critical dimensions so they can be reviewed rather than assuming a universal tolerance.

Can you manufacture repeat batches?

Yes. Once the design and specification are agreed, we can quote repeat low-volume production and planned batch requirements.

Are printed parts suitable for safety-critical use?

Suitability must be assessed for the specific application. Unless explicitly agreed and validated, parts should not be treated as certified or suitable for safety-critical, medical, food-contact, or regulated use.

Discuss an engineering 3D printing requirement

Send the CAD file, quantity, application, and critical requirements for a practical review and quote.

Get an Engineering Quote