Below is a table listing suppliers of filament.
Vendor |
Shipping location |
Material(s) |
1.75 mm |
3 mm |
Reviews & Additional notes.
|
TOP3D |
KOR
|
PLA, MPLA |
✓ |
|
|
102Creations |
US
|
ABS, PLA |
✓ |
✓
|
|
123inkt.nl |
NL, BE
|
ABS, PLA, HIPS, PVA |
✓ |
✓
|
Reviews
|
19USDKG |
US, CA
|
ABS, PLA |
✓ |
|
|
3D2Print.net |
DE, DK
|
ABS, PLA, HIPS, Nylon, PETT, PVA, TPE, TPC |
✓ |
✓
|
|
3D Acessories Hub |
IN
|
ABS, PLA |
✓ |
✓
|
|
3D Dynamix |
UK
|
ABS, PLA |
✓ |
✓
|
Reviews
|
3dDinge |
DE
|
PLA |
✓ |
✓
|
|
3Ddirect |
US
|
ABS, HIPS, PLA |
✓ |
✓
|
|
[http://Ateneaing.cl Ateneaning |
CL (chile)
|
PLA, ABS
|
✓ |
|
|
Filamentum 3D Filaments |
NL
|
ABS, PLA |
✓ |
✓
|
|
3Dfilamenta |
HK, CN
|
ABS, PLA, HIPS, PA, Nylon, POM, PETG, PWA |
✓ |
✓
|
|
3D-Filaments.com |
US
|
ABS, PLA, Nylon, PETT, |
✓ |
|
|
3D-printer-filaments.com |
US
|
ABS, PLA, Nylon, PETT, |
✓ |
✓
|
|
3D FilaPrint |
UK
|
Nylon, PETT, ABS, PLA, HIPS, |
✓ |
✓
|
|
3dfactory |
US
|
ABS, PLA |
✓ |
✓
|
|
3d Industries Australia |
AU
|
PLA |
✓ |
|
|
3D Inkspot |
US
|
ABS, PLA, HIPS |
✓ |
✓
|
|
3D Inside |
CL
|
ABS, PLA |
✓ |
✓
|
|
3Distributed |
UK
|
Nylon, PETT, ABS, PLA, Polystyrene, TPE |
✓ |
✓
|
|
3D Dreams |
CA, US
|
PLA,PHA, Nylon, PETT |
✓ |
✓
|
|
3dpartistry |
US
|
ABS, PLA, HIPS, Nylon, PETT, PET, PVA |
✓ |
✓
|
|
3D Printing Center Israel |
Israel
|
ABS, PLA, HIPS, PVA, Nylon, PETT, TPU |
✓ |
✓
|
|
3D Prima.com |
Europe SE
|
ABS, PLA, Nylon, PETT, PVA, HIPS, TPE |
✓ |
✓
|
|
[1] |
Europe NO
|
ABS, PLA, PETG, PA, PC, HIPS, POM |
✓ |
✓
|
|
3D Printing Supplies |
US
|
ABS, PLA |
✓ |
✓
|
|
3D Printing Systems |
AU, NZ, SA
|
ABS, PLA |
✓ |
✓
|
|
3DPrintGroup DE, 3DPrintGroup EU |
DE
|
ABS, PLA, Nylon |
✓ |
✓
|
|
3DKarma |
UK
|
PLA |
✓ |
✓
|
Reviews
|
3D Maker World |
US
|
ABS, PLA |
✓ |
✓
|
|
3DMarkt.at |
DE,AT
|
PET TPE HIPS PVA Wood Conductive ABS biofila Lay-loss Poro-lay |
✓ |
✓
|
|
PRINTinZ |
US
|
ABS, PLA |
✓ |
✓
|
|
3Dmania |
SK
|
ABS, PLA |
✓ |
✓
|
|
3DPrinterGear |
AU
|
ABS, PLA, Nylon, HIPS, Polycarbonate |
✓ |
✓
|
|
3D Printer Hub |
US
|
ABS, PLA, PVA, Nylon |
✓ |
✓
|
|
3D Printer Stuff |
US
|
ABS |
✓ |
✓
|
|
3dtec.ch |
CH
|
ABS, PLA |
✓ |
✓
|
|
http://3DSupply.ca 3DSupply.ca |
CA
|
ABS PLA |
✓ |
✓
|
|
3D Filament on Amazon: Amazon.com (US)Amazon.ca (Canada) Amazon.co.uk (UK) |
CA, UK, US
|
ABS, PLA, HIPS, Nylon |
✓ |
✓
|
Reviews
|
3Druckstore |
DE
|
ABS, PLA, PET, Flex, Wood |
✓ |
✓
|
|
2PrintBeta |
DE
|
ABS, PLA |
|
✓
|
Reviews
|
Alfa-Tech3D |
DK
|
ABS, PLA |
✓ |
✓
|
|
Afinia |
US
|
ABS |
✓ |
|
|
Australian 3D Printer Supplies |
AU
|
ABS, PLA |
✓ |
✓
|
Reviews
|
Austrian Reprap |
AT/DE/CH/ES/IT
|
ABS, PLA, HIPS, Nylon, PVA |
✓ |
✓
|
|
DAS FILAMENT |
DE, EU
|
PLA |
✓ |
✓
|
|
DIY-India.com |
IN
|
PLA, ABS |
✓ |
✓
|
|
BCNdynamics |
ES
|
ABS, PLA |
|
✓
|
Reviews
|
Bio-BP |
CN
|
ABS, PLA |
✓ |
✓
|
|
BotFeeder |
TW
|
ABS, PLA |
✓ |
✓
|
|
Brew Engine |
US
|
ABS, PLA, HIPS |
✓ |
✓
|
|
BrightCN (esunPLA) |
CN
|
ABS, PLA |
✓ |
|
|
[www.BuMatUSA.com] |
US
|
ABS, PLA |
✓ |
✓
|
|
Buy 3D Ink |
US
|
ABS, PLA |
✓ |
✓
|
|
CD-writer.com |
UK
|
ABS, PLA |
|
✓
|
Reviews
|
Charlie's 3D Technologies |
BEL
|
PLA Wood ABS Flexible Nylon PVA PETG |
✓ |
✓
|
|
Cheap 3D Filaments |
US
|
ABS, PLA, Nylon, PET, |
✓ |
✓ |
|
Coex3d |
US, CA
|
ABS, PLA, PET, PVA? |
✓ |
✓
|
|
ColorFabb |
NL
|
PLA |
✓ |
✓
|
Reviews
|
Cool Components |
UK
|
ABS |
✓ |
|
|
Createc 3D |
ES
|
ABS, PLA, Nylon |
✓ |
✓
|
|
Creative Tools |
SE, EU
|
ABS, PLA, PVA, Nylon |
✓ |
✓
|
|
Cubicity |
US
|
ABS, PLA |
✓ |
✓
|
Reviews
|
Diamond Age Solutions Ltd. |
NZ
|
ABS, PLA |
✓ |
✓
|
|
DC Plastico |
US
|
ABS, PLA, HIPS, PVA, Nylon |
✓ |
✓
|
|
DiyRepRap |
IT
|
ABS, PLA, HIPS, PVA |
✓ |
✓
|
|
D&R Reelings Ltd. |
UK
|
ABS |
✓ |
|
|
Easysolid |
ES
|
ABS, PLA |
✓ |
✓
|
|
EckerTech |
CA
|
ABS |
|
✓
|
|
ESUN3D |
PE, US, VN, ZA, NG, BR, NO, PH
|
PETG PLA ABS PC HIPS PVA LUMINOUS NYLON CONDUCTIVE WOOD CLEAR flex PLA/ABS ALLOYS |
✓ |
✓ |
|
eMotion Tech |
FR
|
ABS, PLA |
✓ |
✓
|
|
extrudables.us |
US
|
Nylon, PETT, ABS |
✓ |
✓
|
|
FairWagon.com |
US, Worldwide
|
ABS |
✓ |
|
Reviews
|
Faberdashery |
UK
|
PLA |
✓ |
✓
|
Reviews
|
fabberworld.com |
CH
|
ABS, PLA, Nylon, PETT, PVA |
✓ |
✓
|
Reviews
|
Fabrications Of The Mind |
UK
|
ABS |
|
✓
|
Reviews
|
FELIXprinters.com |
NL
|
PLA |
✓ |
|
|
Feed the Printer |
SE, EU
|
ABS, PLA, PVA, HIPS, Nylon |
✓ |
✓
|
|
FilaGoods |
Worldwide
|
ABS, PLA, HIPS |
✓ |
✓
|
Reviews
|
Filafarm |
DE
|
ABS, PLA, NYLON ,laybrick,laywood |
✓ |
✓
|
|
Filaments.ca |
CA, US
|
ABS, PLA, HIPS, PVA, Nylon, PC, PET |
✓ |
✓
|
|
Filaments 4 Less |
CA
|
ABS, PLA, Nylon |
✓ |
✓
|
Reviews
|
Filament & Meer |
NL, worldwide
|
ABS, HIPS, Nylon, PLA |
✓ |
✓
|
|
FilamentPrint |
UK
|
ABS, PLA, HIPS, PET-G, PP, PE, HDPE, Nylon, PVA |
✓ |
|
|
Filamentshop |
DE
|
ABS |
✓ |
|
|
Filament Webshop |
NL, worldwide
|
ABS, PLA, Nylon, PET, HIPS |
✓ |
✓
|
Reviews
|
Formfutura |
Worldwide
|
ABS, PLA, Nylon, PET, PVA, HIPS, TPC |
✓ |
✓
|
|
Filimprimante |
FR
|
ABS, PLA, Nylon, PET, PC |
✓ |
✓
|
|
InDimension3 (was The Future is 3D) |
US
|
ABS, PLA |
|
✓
|
Reviews
|
IBEROBOTICS Shop |
ES
|
PLA Wood |
✓ |
|
|
German RepRap GmbH |
DE
|
ABS, PLA |
✓ |
✓
|
|
electronic things GmbH |
DE
|
ABS, PLA |
✓ |
✓
|
|
get3D |
PL
|
ABS, PLA, Nylon |
✓ |
✓
|
|
GizmoDorks |
US
|
ABS, PLA, HIPS, PVA, Nylon, Polycarbonate, POM, PETG, Polypropylene |
✓ |
✓
|
|
IC3D Printers |
US
|
ABS |
✓ |
✓
|
|
iFusionShop |
ES
|
ABS, PLA, |
✓ |
✓
|
|
iGo3D |
DE
|
ABS, PLA, Nylon |
✓ |
✓
|
|
iLove3D.se |
SE
|
ABS, PLA |
✓ |
✓
|
|
IMAGIN3D |
CA
|
ABS, PLA |
✓ |
✓
|
|
imprimante3DFrance.com |
FR
|
ABS, PLA, HIPS, Nylon, PETT |
✓ |
✓
|
|
Iniciativas3D |
ES
|
ABS, PLA, Nylon, PET, HIPS |
✓ |
✓
|
|
Ink3D.ie |
EU/IE
|
PLA, PET |
✓ |
✓
|
|
INTSERVO |
US
|
ABS, PLA, HIPS, PVA, PETG |
✓ |
✓
|
|
Inventables |
US
|
ABS, PLA |
✓ |
|
|
Inition/Thinglab |
AU
|
ABS, PLA, PVA |
✓ |
|
|
J&R Filaments |
US
|
ABS, PLA |
✓ |
✓
|
Reviews
|
JagPrint |
US
|
ABS |
✓ |
✓
|
Reviews
|
Jet Filament |
US
|
ABS, PLA, HIPS, PVA |
✓ |
✓
|
Reviews
|
JustPLA |
US
|
PLA |
✓ |
|
Reviews
|
KDI Polymer Specialist |
UK
|
ABS, PLA |
|
✓
|
Reviews
|
Kiboplast |
DE
|
ABS, PLA |
✓ |
✓
|
|
Lab3Dprint.ru |
RU
|
ABS, PLA |
✓ |
✓
|
|
LulzBot |
US, UK
|
PLA, ABS, HIPS, Polycarbonate, Nylon |
|
✓
|
Reviews
|
Lo Spaccio di Nova |
IT Europe
|
PLA ABS |
✓ |
✓
|
|
Lybina |
AU
|
ABS, PLA, HDPE, HIPS, TPU, PP, PVC |
✓ |
✓
|
Reviews
|
Makerbot |
US
|
ABS, PLA |
✓ |
✓
|
|
MakerFarm |
US
|
ABS, PLA |
✓ |
✓
|
Reviews
|
MakerGear |
US
|
ABS |
✓ |
✓
|
|
MakerGeeks.com |
US
|
ABS, PLA, Nylon, PVA, HIPS, PETT |
✓ |
✓
|
|
MakerLibre |
US
|
ABS, PLA |
✓ |
✓
|
Reviews
|
makershop |
FR
|
ABS, PLA, PVA, HIPS, Nylon |
✓ |
✓
|
|
Maker's Tool Works |
US
|
ABS, PLA |
✓ |
✓
|
Reviews
|
MadeSolid |
US
|
PET |
✓ |
|
|
MatterHackers |
US
|
ABS, PLA, TPE, HIPS, PC, PVA, Nylon, PETT |
✓ |
✓
|
Reviews
|
Mendel-Parts |
NL
|
ABS, PLA |
✓ |
✓
|
|
New Image Plastics Plastic Welding Rod 3D Printer Filament |
US
|
ABS, PVC, HDPE, PLA |
✓ |
✓
|
|
Microcenter |
US
|
ABS,PLA,PETG,HIPS,PVA |
✓ |
✓
|
|
Mixshop |
CA
|
PLA |
✓ |
✓
|
|
Moebyus Machines |
ES
|
ABS, PLA, PVA |
✓ |
|
|
MonoFilament direct |
US
|
ABS, PLA, custom materials |
✓ |
✓
|
Reviews
|
MTB3D |
NL/Worldwide
|
ABS, PLA |
✓ |
✓
|
|
Octave Systems |
US
|
ABS |
✓ |
|
|
Online Filament |
US
|
ABS, PLA |
✓ |
✓
|
Reviews
|
Orbi-Tech |
DE
|
ABS, ASA, Polyamide (PA-6), PC, PE, PLA, PP, PS, TPE |
|
✓
|
Reviews Not all materials available in 3mm. Hey.. Got a drillpress? Make your own hotend, change a filament dia. setting in your slicer, print and share your knowledge on the wiki!
|
ORD Solutions CANADA |
CA
|
ABS, PLA |
✓ |
✓
|
|
ORD Solutions USA |
US
|
ABS, PLA |
✓ |
✓
|
|
Oz Reprap Supplies |
AU
|
ABS, PLA |
✓ |
✓
|
|
Paoparts |
FR
|
ABS, PLA |
✓ |
✓
|
|
Pibot |
CN
|
PLA, PVA |
✓ |
|
|
Plastic2Print |
NL
|
ABS, PLA, Nylon, PET, PVA |
✓ |
✓
|
|
PP3DP |
CN
|
ABS |
✓ |
|
|
Printed Dreams |
ES
|
ABS, PLA, PVA, Nylon |
✓ |
✓
|
|
Printer Playground |
US
|
ABS, PLA, TPE, HIPS, PVA, Nylon, PETT |
✓ |
✓
|
|
printbl.com |
US
|
PLA |
|
✓
|
|
PrintedSolid |
US
|
Nylon |
✓ |
✓
|
|
PrintSpace |
US
|
PLA, Carbon Fiber Reinforced PLA |
✓ |
✓
|
|
ProtoParadigm |
US
|
ABS, PLA, PVA, Polycarbonate |
✓ |
✓
|
Reviews
|
Proto-Pasta by Protoplant, Inc |
US
|
PLA, ABS |
✓ |
✓
|
|
Prototyp3d |
AU
|
ABS, PLA |
|
✓
|
|
Push Plastic |
US
|
ABS, PLA, HIPS |
✓ |
✓
|
|
Qingdao TSD Plastic |
CN
|
ABS, HDPE, PE, PP, PVC |
|
✓
|
Reviews
|
QwikFab |
MY, SG
|
PLA |
✓ |
✓
|
|
Quantum3dprinting |
United States
|
PLA |
✓ |
|
|
RainBot 3D |
|
ABS, PLA |
✓ |
✓
|
|
RapidProtoCo |
US
|
ABS, PLA, HIPS, PVA, Nylon |
✓ |
✓
|
Reviews
|
Redresins - 3D Printing Supplies |
EU, ES
|
PLA, Carbon Fiber Reinforced PLA |
✓ |
✓
|
|
Repko |
US
|
PLA |
✓ |
|
|
3DSculpto |
IN
|
ABS, PLA, HIPS, WOOD, Nylon, PETG, TPE, PC, Copper, Aluminium, Bronze, Glow in the dark, Colour Changing |
✓ |
✓
|
Reviews 1.75mm Filaments readily available ships within India in a day. 3.00mm Filaments can be sourced as per your request.
|
Replicator Warehouse |
UK
|
ABS, PLA |
✓ |
✓
|
Reviews
|
RepRap Supply USA |
US
|
ABS, PLA |
✓ |
✓
|
|
RepRapBCN |
ES
|
ABS, PLA |
✓ |
✓
|
|
RepRap Central |
UK
|
ABS, PLA |
✓ |
✓
|
Reviews
|
RepRapIt |
CA US
|
ABS, PLA |
✓ |
✓
|
|
RepRapKit.com |
UK
|
ABS, PLA |
✓ |
✓
|
|
RepRapPro Ltd |
UK
|
PLA |
✓ |
|
|
Reprapsource |
DE
|
PLA |
✓ |
✓
|
|
Reprapteile |
DE
|
PLA, ABS |
✓ |
✓
|
|
ReprapUniverse.com |
NL
|
ABS, PLA, HIPS, PVA, PC, Nylon, POM |
✓ |
✓
|
|
RepRap Vietnam |
VN
|
ABS, PLA |
✓ |
✓
|
|
RepRap Warehouse |
CA
|
ABS, PLA, Nylon PC, HIPS, PETG,TPE |
✓ |
✓
|
Reviews
|
ReprapWorld |
NL
|
ABS, PLA |
✓ |
✓
|
Reviews
|
Revolution Printers |
CA
|
ABS, PLA, Nylon |
✓ |
✓
|
|
Robo 3D Printer |
US
|
ABS, PLA |
✓ |
|
|
RepRap Sweden |
SE
|
PLA ABS HIPS Conductive Nylon Flexible PETG Wood |
✓ |
|
|
SeaCans.com |
CA, US, Worldwide
|
ABS, PLA, NYLON, PVA |
✓ |
✓
|
Reviews
|
SeeMeCNC |
US
|
ABS, PLA, Nylon |
✓ |
✓
|
|
Sain Smart |
CN, DE, UK, US
|
ABS, PLA |
✓ |
|
|
ShapeHacker |
US
|
ABS, PLA |
✓ |
✓
|
|
SoiNhua.com |
VN
|
ABS, PLA, HIPS, PVA |
✓ |
✓ |
|
Spreadforms.com DE, Spreadforms.com/en EU |
DE
|
ABS, PLA, Nylon, HIPS, PVA |
✓ |
✓
|
|
Supply3DPLA.com |
SE
|
PLA |
✓ |
✓
|
taulman 3D |
US
|
Polyamide (aka "Nylon") |
✓ |
✓
|
Reviews
|
Thingibox |
ES
|
ABS, PLA, HIPS |
✓ |
✓
|
|
Think 3D Printers |
CA, US
|
PLA, Nylon, Thermoplastic Urethane |
✓ |
✓
|
|
Thorivola.com |
US
|
ABS, PLA |
✓ |
✓
|
|
ToybuilderLabs.com |
US
|
ABS, PLA, HIPS, PVA |
✓ |
✓
|
Reviews
|
twoBEars |
Global, DE
|
Renewable and biodegradable materials |
✓ |
✓
|
|
UK3D Printing |
UK
|
PLA, ABS |
✓ |
✓
|
|
UltiBots |
US
|
ABS, PLA |
✓ |
✓
|
|
UltiMachine |
US
|
ABS, PLA, PVA, Polycarbonate |
✓ |
✓
|
Reviews
|
USBCopiers |
US
|
ABS |
✓ |
|
|
Uw3Dprinter.nl |
NL, BE, DE, ES, FR
|
ABS, PLA, PVA |
✓ |
✓
|
|
Village Plastics |
US
|
ABS, PLA, PVA, HIPS |
✓ |
✓
|
|
Voxel Factory |
CA
|
ABS, PLA, Nylon |
✓ |
✓
|
|
WeisTek.net |
CN
|
ABS, PLA |
✓ |
✓
|
|
wtuymqve (Xin Yu Da Plastic) |
CN
|
ABS, PLA |
✓ |
|
Reviews
|
ZATOPA.COM |
US
|
ABS, PLA, Nylon |
✓ |
✓
|
|
Z3D |
CA
|
ABS, PLA |
✓ |
✓
|
|
JPSON 3D |
CN
|
ABS, PLA |
✓ |
✓
|
|
Splin3 |
US
|
PLA |
✓ |
|
|
ShapingBits |
US
|
ABS, PLA |
✓ |
✓
|
Reviews
|
ARCO Store |
MY
|
ABS, PLA, HIPS, PVA, Nylon, PC, PETG, POM |
✓ |
✓
|
|
Subassembly India |
India
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ABS, PLA, HIPS, PVA, Nylon |
✓ |
✓
|
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nomagic |
DE
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PLA |
✓ |
|
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Ultimaker |
NL
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ABS, PLA |
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✓ |
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think3D India |
India
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ABS, PLA, PVA, Nylon |
✓ |
✓ |
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opensourcehardware.it |
IT
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ABS, PLA |
✓ |
✓
|
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220v.biz |
UA
|
ABS |
✓ |
✓
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[G4] |
GB
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PLA |
✓ |
✓ |
G4 Bleu
Hello there!Here at [reprappro.com/] we have been testing out some of the excellent filaments from G4.
These tests have been done on a Rep Rap Pro Ormerod with a 0.5 nozzle, with normal Ormerod slicer stetting as a base line to work around. The tests are designed to fined the optimal working parameters of the filament
G4 Blue, 1.75 (-/+ 0.05) PLA
Working parameters: Max Hot end temp – 220c Min Hot end temp – 170c
Max print speed @220c – 65-75mm/s
G4 Blue has performed exceptionally well on the tests, Printing the 3.5 axil at 190c, far from perfectly but it did do it, unlike other filaments. At 182, the axil was looking a lot better, this would mean that on larger prints, with more time for the layer to cool off, it would come out fine, but at 170c the test came out perfect. This puts this filament in the lead, for ease of use, as in a perfect world I would want the filament to not need much temperature changing through out a print.
With the warp and overhang test this filament has got full marks. At 190c,
and the Prints came out excellently.
On the warp test the G4 blue filament did warp a bit, 2mm in one corner, and 1mm in the other.
But an all around Good Product.
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3Dmatic.es |
ES
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PLA, ABS |
✓ |
✓ |
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Filament-shop |
NL
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PLA, ABS, Nylon, PVA |
✓ |
✓ |
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[htt[://3dware.ch/ 3DWare] |
CH, LI, DE, AT
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ABS, PLA, HIPS, Nylon, PVA, PC, POM, Wood |
✓ |
✓ |
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3D Printing Shop |
AU/worldwide
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PLA, ABS, HIPS, Flexible, Wood, PVA, POM, Nylon, Conductive, PETG, PC, Colour changing, Glow in the dark |
✓ |
✓ |
Stocking 3DPS 3D Printing filament. Australian based shipping worldwide. |
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mtb3d |
NL/worldwide
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PLA, ABS, Flexible, Wood, Flexible, PVA, POM, Nylon), Conductive, PETG, PC, Colour changing, Glow in the dark |
✓ |
✓ |
MTB3D's reviews
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Aurarum |
AU/worldwide
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PLA, ABS, Flexible, Wood, Flexible, PVA, Nylon), PE, Glow in the dark |
✓ |
✓ |
Australian manufacturer from Melbourne. Custom orders are welcome. Wholesale queries are welcome. It would be good if you could add our website link
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HobbyKing |
US,EU,UK,AU,Worldwide
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PLA, ABS |
✓ |
✓ |
Stocking whole range of esun filament from all warehouses at great prices.
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Creator Fuel |
CA
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PLA, ABS |
✓ |
✓ |
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RepRap PT |
PT
|
PLA, ABS |
✓ |
✓ |
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ToybuilderLabs.com |
US
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ABS, PLA, HIPS, PVA, Nylon, PETT, TPU, Metal-filled ABS, Conductive, PLA+PHA |
✓ |
✓
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Reviews
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Mikrotron |
HR/EU
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PLA, ABS |
✓ |
✓ |
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TreeD Filaments |
IT/Worldwide
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PLA, ABS, HIPS, BioMyde, Architectural, TPU 70/80/90, TPE |
✓ |
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Italian technical filament producer. Ask for special and engineering solutions.
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The future is to make filament yourself or to use a granule extruder. It's much cheaper! Here is where you can get such granules.
The next big thing in open source is selective laser sintering(SLS). Materials will be key for success in advancing this technology.