3D Print Design Service

INJECTION
QUALITY. 3D Printed.

We adapt your product or idea to reach the accuracy and surface quality of injected, machined, or die-cast parts — using our proprietary EFC filament construction inventions. Your concept becomes a production-grade 3D printed clone.

±0.05
mm tolerance
EFC
Core Technology
40+
Years Engineering
TORUS BEARING NYLON 1.75mm POLY RACE ∅ 76mm EFC CROSS-SECTION — TORUS ASSEMBLY
⚙️
Machined-quality Tolerances
💧
Injection-grade Surface Finish
🔩
Die-cast Structural Integrity
🧵
EFC Filament Primitives
🎯
UV Resin Calibration

THE QUALITY
TRANSFORMATION

Standard 3D printing produces functional prototypes. Our design adaptation process transforms any part — yours or conceived with us — into a print-ready design that achieves the dimensional accuracy, surface quality, and mechanical performance of traditional manufacturing methods.

Your Input Sketch / photo / CAD / idea description
↓ Analysis & Requirements
Functional Rebuild Interfaces, tolerances, assembly logic
↓ EFC Primitive Integration
UV Calibration Layer Surface quality & microtolerance correction
↓ Print Parameter Optimization
3D Printed Clone Injection / machined / die-cast equivalent quality

All adaptation techniques are based on Evolutiv Filament Construction (EFC) system — disclosed under EFC-DISCLOSURE-2025-001. Proprietary methods for nylon filament as universal bearing and fastening primitive.

FOUR STEPS TO
YOUR CLONE

From brief to print-ready files in a structured, transparent workflow.

1
Submit Your Brief
Send us photos, a sketch, a CAD file, or simply describe your part. No formal documentation needed to start — we extract what we need.
// intake.any_format
2
Design Adaptation
Our engineers redesign critical interfaces using EFC primitives. We optimize wall thicknesses, bearing zones, and assembly clearances for 3D printing physics.
// efc.primitive_rebuild
3
Validation & Calibration
We print and test physical samples, apply UV resin calibration, and iterate until surface quality and dimensional accuracy meet the target specification.
// uv.calibrate → measure
4
Delivery
You receive print-ready STL/3MF files, material specs, printer settings, and post-processing instructions. Optionally, we ship you physical parts direct from Koshi Group.
// output.ready_to_print

EFC PRIMITIVES

The six invention-grade design primitives that make production-quality 3D printing possible.

Torus Bearing

A donut-section nylon filament acting as a rolling element in a circular race — zero-backlash, self-lubricating, printable without support structures.

BEARING-001

Polygonal Race Bearing

Hex or octagonal race geometry distributing filament load across flat facets. Superior load capacity versus circular races in constrained envelope designs.

BEARING-002
🔗

Assembly Lock

Snap-in filament loops that create permanent, tamper-evident fasteners between printed modules — eliminating screws in non-service interfaces.

FASTENER-001

Linear Slide

Filament-rail linear motion system with sub-0.1mm play. Achieves lead-screw class precision without metal components, fully printable in nylon.

MOTION-001
🔁

Epicycloidal Cam Rack

A printable gear-rack system using filament as the load path in cam-driven mechanisms — enabling smooth rotary-to-linear conversions with near-zero slop.

MOTION-002

UV Resin Calibration

Post-processing protocol using UV-cure resins to seal layer lines, correct tolerance deviations, and achieve surface Ra values matching injection-molded reference parts.

PROCESS-001
Use Cases

WHAT WE CAN
CLONE FOR YOU

Mechanical Components MECH
Consumer Products CONS
Industrial Fixtures IND
Robotics & Automation AUTO
Prototype to Production R&D
BEARINGS & HOUSINGS

Precision Bearing Assemblies

Replace metal or ceramic bearings with printable EFC torus equivalents. Ideal for light-load rotary applications, medical devices, and custom equipment.

GEARBOXES

Printable Gearboxes

We adapt gear profiles for FDM manufacturing tolerances, incorporating our filament bearing races at every shaft interface for smooth, backlash-free transmission.

LINEAR SYSTEMS

Actuators & Slides

NEMA17-compatible actuators and linear axes built entirely from printed components — no linear rails, no ball screws, no imported parts.

END-USE PARTS

Enclosures & Housings

Consumer-grade enclosures with snap-lock assembly, hidden fasteners, and UV-finished surfaces indistinguishable from injection-molded production parts.

TOOLING

Jigs & Fixtures

Production-line fixtures requiring repeatable accuracy — we design these with our linear slide primitives so they hold tolerance across thousands of cycles.

YOUR IDEA

Open Brief

Describe what you need to achieve. We will reverse-map an EFC-based design path and propose a solution — even for problems that seem unmakeable by 3D printing.

Why EFC Adaptation

HOW WE COMPARE

Against standard 3D print services and traditional manufacturing.

Attribute Standard 3D Print EFC Design Service Injection Molding CNC Machining
Dimensional Tolerance ±0.3–0.5mm ±0.05–0.1mm ±0.05mm ±0.01mm
Surface Finish Layer lines visible Injection-grade via UV Smooth (mold dependent) Smooth
Bearing Integration External parts required Printed-in EFC bearings Inserts required Machined seats
Tooling Cost Zero Zero €5,000–€50,000+ Fixture cost
Lead Time Days Days–Weeks 6–16 weeks 1–4 weeks
Minimum Quantity 1 1 500–10,000+ 1
Design Modification Instant Instant Retooling required Re-programming
Local Manufacturability Printer dependent Optimized for any FDM Factory required CNC required

TRANSFORM YOUR
IDEA INTO REALITY

Send us your part, photo, or description. We'll analyze it and send back a proposal — usually within 48 hours.

📍 Evolutiv AI — Kosovo · EFC Lab