3D Printing Filaments

3D Printing Materials

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Outline

•What is 3D printing?

•3D printing technologies

•What makes good quality filaments?

•Different types of 3D Printing Filaments

•Simplify3DTM demonstration

What is 3D Printing?

3D Printer Technologies

Fused Deposition Modeling

Light Polymerized

Granular Materials Binding

Filaments for 3D Printing

What makes high quality filaments?• Diameter tolerance• Roundness• Spool diameter

Hat tip: http://www.bootsindustries.com

How do I check?

PolyLactic Acid (PLA)• Glossy appearance• Biodegradable• Relatively rigid• No emission• Little

warping/shrinkage

• Useful for• Decorative items• Form and fit testing

Acrylonitrile Butadiene Styrene (ABS)• Matte appearance• More flexible than PLA• Prone to warping• May emit Ultra Fine

Particles• Variety of post-

processing options

• Useful for• Professional/industrial

applications• Toys/memorabilia

PET+• Strong and Flexible• Hydrophobic• Easy adhesion to Blue

Painters Tape• Flame Resistant

• Useful for• Professional/industrial

applications

Laywood• Recycled wood pulp

(40%) mixed with polymer

• No warp/shrinkage at all• 190˚C- Light colored• 230˚C- Dark colored• Can be processed same

as wood

Laybrick• Sandstone-like filament• Brittle• No warp/shrinkage• 190˚C- Rough surfaces• 210˚C- Smooth surfaces• Can be sanded and

colored• Ideal for large projects

NinjaFlex• Flexible filament• High elasticity• Sticks well to

acrylic/glass• Sticks too well to kapton

tape

• Used for• Mobile phone

casings• Wearables• Floatables?

Carbon Fibre PLA• Prints same as PLA• More rigid than PLA• May result in uneven

finishes

• Useful for• Performance parts• Prosthetics

Nylon – Taulman “Bridge”• High tensile strength• Transparent• Adjustable flexibility• Very little

shrinkage/warp• Adheres well to platform

with PVA glue

• Useful for• Industrial strength

parts• Mechanical parts

T-Glase• FDA- approved• No shrinkage/warp• Bridging capabilities• 100% reclaimable• Food containers• Jewelry

High Impact PolyStyrene• Dual extruder 3D printer

necessary• Dissolves in Limonene• Similar to ABS

Used mainly as support material

Polycarbonate ABS• Stiffer than ABS• Strong yet lightweight parts• Moisture sensitive• Prone to warping/shrinkage

• Properties similar to ABS• High resistance filament

• Useful for• Conductive devices• Solder-less circuits• Electromagnetic

shields• Project Ara

Conductive ABS Filaments

Other filaments?• Temperature Sensitive

Filaments• Bendlay• High Temperature PLA• Polyurethane• Carbon Nanotube-infused

Filaments• Graphene-infused Filaments• Igus 3D printing materials• Aluminium-infused filaments

Thank you.

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