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3D Printing Technology Selection Guide | Garuda3D
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Technical Reference · Technology Selection Guide

From your requirement to the right 3D printing technology

Tell us what you're making and we'll point you to the right process — FFF, IDEX, Pellet, SLA, SLS, Metal, Food or Bio — then to the right Garuda3D printer or printing service, the right material, and a quote.

How It Works

Five steps from requirement to quote

Every Garuda3D project follows the same path. This guide covers steps 02 and 03; the Material Selection Guide covers step 04.

Technology Guide — this pageWhich process should I use, and which printer or service?
Material Selection GuideWhich material grade should I print it in?
Steps 01–03 · Selector

Find Your Technology

Answer what you can — the recommendation, printer or service, material and next step build up as you go. Your top priority counts double.

8Technologies
12Printers
5Services
1What are you looking for?
2What are you printing?

Questions 3–7 cover engineering parts — skip them for food and bio printing.

3How big is the largest dimension of your part?
4What matters most?
5What kind of material do you need?
6How many parts, or how often?
7How tight are your tolerances?
Short on Time

Quick decision rules

Six rules of thumb that settle most technology choices in one step.

Step 03 · Printer or Service

Garuda3D printers and services by technology

Buy the printer to print in-house, or use our printing service. SLA, SLS and Metal are available as services only.

Compare Services

Printing services side by side

Headline capabilities of each Garuda3D printing service. Select a technology for its full profile.

CapabilityFFF / FDMPellet / FGFSLASLSMetal
Max build size500 mm500 × 500 × 500 mmSee service page340 mmSee service page
Resolution / layer0.1 mm0.4–2 mm25 µm100 µm20–80 µm
AccuracyOn request±0.5 mm or ±0.1%±0.1 mm±0.3 mm±0.1 mm as-built
Support structuresRequiredBreakawayRequiredNot requiredRequired
Surface finishVisible layersCoarse layersSmoothestFine matteRough — machinable
Relative part cost₹₹ (lowest per kg)₹₹₹₹₹₹₹₹
Lead time2–5 days2–5 days3–7 days5–10 days7–14 days
Materials8 filaments9 pellet grades6 resins2 nylons8 alloys
Step 02 · Engineering Technologies

When to Choose Each Process

What each technology does best, where it falls short, which materials it runs, and whether it's a printer, a service, or both.

View All Services →
6Processes
33Materials

FFF / FDM

Fused Filament Fabrication
FFF Low Cost Medium–Large Parts

Melts thermoplastic filament through a fine nozzle, layer by layer. The most versatile and cost-effective route for functional prototypes, jigs and fixtures, with the widest range of engineering plastics and composites.

Key Capabilities

Max Build500 mm
Resolution0.1 mm
SupportsRequired for overhangs
Lead Time (service)2–5 days

Materials

PLAPETGABSASATPUNylonCarbon FibrePC
Open FFF materials →

Garuda3D Printers

Printing Service

Available as a Garuda3D printing service — view FFF service.

Best For

  • Functional prototypes and fit checks
  • Jigs, fixtures and tooling
  • Low-cost iterations
  • Heat-tolerant parts up to ~130°C (PC)

Avoid When

  • Very fine detail or smooth cosmetic surfaces
  • Isotropic strength in all directions
  • Two materials in one print (see IDEX)

IDEX

Independent Dual Extrusion (FFF)
IDEX Two Materials Soluble Supports

An FFF printer with two independent extruders on separate X-carriages. Print two materials or colours in one part, or pair a build material with a breakaway or soluble support for complex overhangs and internal cavities.

Key Capabilities

PrintersDP300 · DP500
Build Area300 × 300 mm / 500 × 500 mm
Extruders2 independent
MaterialsEngineering filaments

Materials

PLAPETGABSASATPUNylonPCSupport materials
Open FFF materials →

Garuda3D Printers

Printing Service

Available as a Garuda3D printing service — view IDEX service.

Best For

  • Rigid + flexible in one part
  • Soluble or breakaway supports
  • Two-colour parts
  • Complex internal geometry on FFF

Avoid When

  • Single-material parts (a standard FFF printer is simpler)
  • Fine detail beyond FFF resolution

Pellet / FGF

Fused Granulate Fabrication
Pellet Lowest Material Cost Large Format

Feeds raw thermoplastic pellets through a heated auger screw instead of filament. Large nozzles and high flow make big parts fast and cheap — ideal for tooling, moulds, foundry patterns and large prototypes.

Key Capabilities

Max Build500 × 500 × 500 mm
Layer Height0.4–2 mm
Accuracy±0.5 mm or ±0.1%
Lead Time (service)2–5 days

Materials

PLAABSPETGTPUHIPSGPPSNylonPPGFPPCF
Open Pellet materials →

Garuda3D Printers

  • GF500 Industrial pellet · 500 × 500 × 500 mm
  • GF1000 Coming Soon Large-format pellet · Coming soon
  • Pellet + Filament IDEX Hybrid · pellet head + filament head

Printing Service

Available as a Garuda3D printing service — view Pellet service.

Best For

  • Parts larger than 300 mm
  • Moulds, patterns and composite tooling
  • Glass- and carbon-filled PP
  • 50–85% lower material cost than filament

Avoid When

  • Small parts or fine features
  • Smooth as-printed surfaces
  • Tight tolerances without machining

SLA

Stereolithography (Resin)
SLA Finest Detail Service Only

A UV laser cures liquid photopolymer resin layer by layer. Produces the smoothest surfaces and finest detail in our range — the choice for visual prototypes, dental and jewellery work, and clear parts.

Key Capabilities

Resolution25 µm
Accuracy±0.1 mm
Post-ProcessIPA wash + UV cure
Lead Time (service)3–7 days

Materials

StandardToughFlexibleCastableBiocompatibleTransparent
Open SLA resins →

Printing Service

Available as a Garuda3D printing service — view SLA service.

Best For

  • Fine detail and smooth surfaces
  • Transparent and optical prototypes
  • Castable jewellery and dental patterns
  • ISO 10993 biocompatible parts

Avoid When

  • Large parts
  • High heat (resins ~45–60°C HDT)
  • Long-term outdoor or UV exposure

SLS

Selective Laser Sintering (Nylon)
SLS Isotropic Strength Service Only

A laser sinters nylon powder, with the surrounding powder supporting the part — so no support structures are needed. Produces strong, isotropic parts comparable to injection moulding, and nests many parts per build for batch runs.

Key Capabilities

Max Build340 mm
Accuracy±0.3 mm
SupportsNot required
Lead Time (service)5–10 days

Materials

PA12 NylonPA11 Nylon
Open SLS powders →

Printing Service

Available as a Garuda3D printing service — view SLS service.

Best For

  • Functional end-use parts
  • Complex internal geometry
  • Snap-fits, hinges and assemblies
  • Batch production runs

Avoid When

  • Parts over 340 mm
  • Glossy or colour-critical surfaces
  • Very tight tolerances (±0.3 mm)

Metal

DMLS / SLM (Metal Powder Bed)
Metal Highest Strength Service Only

A laser fully melts metal powder to produce dense parts (>99.5%) matching wrought properties. For aerospace, medical, tooling and high-temperature parts where only metal will do.

Key Capabilities

Part Density> 99.5%
Accuracy±0.1 mm as-built
Alloys8 engineering alloys
Lead Time (service)7–14 days

Materials

SS 316LAlSi10MgTi6Al4VInconel 718CoCrWMaraging Steel17-4 PHCP Titanium
Open Metal alloys →

Printing Service

Available as a Garuda3D printing service — view Metal service.

Best For

  • Service temperatures above 130°C
  • Implants and surgical instruments
  • Conformal-cooled mould inserts
  • Lightweight aerospace brackets

Avoid When

  • Low-budget prototypes
  • Large parts
  • Parts a polymer can do
Step 02 · Specialist Technologies

Food & Bio Printing

Dedicated extrusion printers for edible media and bioinks.

View All Printers →
3Food
3Bio

Food

Food-Grade & Chocolate Extrusion
Food Food-Safe Printers

Food-safe extrusion for pastes, creams and chocolate — from café to factory scale. Garuda3D builds dual-head, multi-head and dedicated chocolate food printers.

Key Capabilities

PrintersNEXUS Q2 · NEXUS Q4 · Cocoa-3D
HeadsDual-head / Multi-head
MediaPastes, creams, chocolate

Materials

ChocolatePastesCreams
Open Food printing guide →

Garuda3D Printers

Best For

  • Custom chocolates and confectionery
  • Personalised desserts and décor
  • Culinary R&D and education
  • Café-to-factory production

Avoid When

  • Engineering or non-food parts

Bio

Bioink Extrusion
Bio Bioinks Printers

Bioink extrusion systems for pharma, research and tissue-engineering applications. Garuda3D builds three bio 3D printers — Bio ATOM, Bio MORPH and Bio PRO.

Key Capabilities

PrintersBio ATOM · Bio MORPH · Bio PRO
MediaBioinks and hydrogels
SectorsPharma, research, tissue engineering

Materials

BioinksHydrogels
Open Bio printing guide →

Garuda3D Printers

Best For

  • Tissue-engineering research
  • Pharmaceutical R&D
  • University and lab research
  • Scaffold fabrication

Avoid When

  • Engineering parts
  • Food products
Common Questions

Frequently asked

What's the difference between the Technology Guide and the Material Selection Guide?

The Technology Guide answers which process — and which printer or service — you should use. The Material Selection Guide then answers which exact material grade to print in. Use them in that order.

Which 3D printing technology is cheapest?

For small and medium parts, FFF has the lowest cost per part. For large parts, pellet (FGF) printing is cheapest because raw pellets cost 50–85% less than the equivalent filament.

Should I buy a printer or use a printing service?

Buy a printer if you print regularly, need parts in-house, or want to develop your own process. Use our printing service for occasional parts, or for SLA, SLS and metal, which we offer as services rather than printers.

When do I need an IDEX printer?

When one print needs two materials — rigid and flexible, two colours, or a build material with a soluble or breakaway support. For single-material parts, a standard FFF printer is simpler.

Can large parts be printed in one piece?

Our FFF and pellet processes build parts up to 500 mm. Larger parts are printed in sections and bonded or mechanically assembled.

Is this guide's recommendation final?

No. It's a starting point based on typical capabilities. Send us your CAD file or requirement and our engineers will confirm the technology, printer, material and finishing before quoting.

Keep Exploring

Related resources

Not sure which technology fits?

Send us your design file and requirement — our engineering team will recommend the right technology, printer or service, material and post-processing at no extra cost.

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