Tagged “replacement-parts”

Guide·Hardware·September 21, 2026

3D printing replacement parts: what works, what lasts, what is legal

Printed parts are weakest across layers: Bambu Lab PETG Basic pulls 51 MPa in XY and 35 MPa in Z; Prusament PETG's interlayer adhesion is 18 MPa against 47 MPa flat.

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Answer·Hardware·October 28, 2026

Can you 3D print an oil seal?

Only as a stopgap on a slow shaft. A molded nitrile oil seal is rated to 80 °C and 10 m/s; NinjaFlex TPU deflects at 60 °C. Never print a hydraulic seal.

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Answer·Hardware·October 13, 2026

Can you 3D print car body parts?

Small trim, yes, in ASA and in sections: a common desktop printer builds a 256 mm cube, a Civic is 70.9 in wide, and a printed bumper cover adds no crash protection.

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Answer·Materials·October 13, 2026

Can you 3D print car engine parts?

Not internal engine parts. Suppliers rate the engine area at 125 °C (257 °F) and on-engine parts at 150 °C, above the HDT of PETG, ABS, ASA and PC filament.

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Answer·Hardware·October 13, 2026

Can you 3D print old car parts?

Mercedes-Benz Classic 3D prints PA12 sunroof rollers for the W 123. What carmakers print for classic cars, and which old trim parts a home printer can copy.

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Answer·Hardware·October 13, 2026

Can you 3D print refrigerator parts?

Yes for bin clips, shelf supports and drawer rails at 40 °F (4 °C). PETG or ABS beats PLA on impact. Gaskets, sealed-system, electrical and water-line parts stay OEM.

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Answer·Hardware·October 13, 2026

Can you 3D print replacement LEGO pieces?

Yes, for personal use. The brick patent expired in 1978, but LEGO molds to 1/200 mm and Prusa quotes 0.3 mm XY, so tune XY compensation on a test brick first.

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Answer·Hardware·October 13, 2026

What 3D printer can print car parts?

A car-part printer needs the material's numbers: 270 °C and an 80 °C bed for PETG trim, an enclosure for ASA, 300 °C and a hardened nozzle for carbon-fiber nylon.

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Answer·Hardware·October 13, 2026

Can you 3D print car parts?

Yes for trim, clips and mounts, never brakes, steering or airbags. Sunlit dashboards average 157 °F (69 °C), past PLA's 57 °C HDT; ASA and PC clear it.

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Answer·Materials·October 13, 2026

What filament should you use for 3D printed car parts?

A sunlit dashboard averaged 157 °F (69 °C), so dash parts need ABS, ASA or PC. Shaded cabin parts take PETG, exterior parts ASA, flexible parts TPU.

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Answer·Materials·October 13, 2026

Which filament survives a dishwasher?

Manufacturer HDT and Tg figures for PLA, PETG, ABS, ASA, nylon, PC and PP set against the 150 °F dishwasher sanitize rinse, with margins in °C.

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Answer·Materials·October 13, 2026

How long do 3D printed parts last?

PLA showed no strength loss after a year at 25 °C, but 24 h of lab UV-B cut clear PETG's strength 36% and a hot soak halved carbon-fiber nylon's.

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Answer·Hardware·October 13, 2026

How to 3D print a replacement part

Seven steps from broken part to fitted print: check it is legal, find a model, measure to 0.01 mm, add 0.15 to 0.40 mm clearance, pick a filament, orient it, test-fit.

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Answer·Business·October 13, 2026

Is it legal to 3D print replacement parts?

What utility patents, design patents, trademarks and copyright each cover on a replacement part, the term of each, and how the repair doctrine applies to printing one.

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Answer·Hardware·October 13, 2026

How to join two 3D printed parts

CA glue for PLA, PETG, ABS and nylon, acetone for ABS and ASA, epoxy for mixed plastics, a primer for PP, and 0.15 to 0.5 mm clearances for pins, dovetails and clips.

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Answer·Hardware·October 13, 2026

How to match tolerances on a 3D printed replacement part

Design in clearance instead of copying the measurement: 0.15 to 0.20 mm for a snug fit, 0.20 to 0.25 mm sliding, 0.30 to 0.40 mm loose, then check with a tolerance print.

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Answer·Hardware·October 13, 2026

Where can you download 3D printable replacement parts?

Official printable spares from Philips (seven files on Printables, October 2026), Framework and Miele, plus the five repositories where car and Dyson parts live.

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Answer·Business·October 13, 2026

Where can you get a part 3D printed?

Where to get a part printed in the US: libraries charging $0.10 per gram of PLA, makerspaces, and online services that quote on volume, material and machine time.

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Answer·Hardware·September 23, 2026

How to print a gear that lasts

A numbered gear recipe (material, teeth, perimeters, infill, orientation) plus the 2022 Polymers wear test where PETG gears outlasted PLA by 22.3 percent and ABS by 37.

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Answer·Materials·September 23, 2026

Which filament should you use for a replacement part?

A decision table from what the broken part faces (heat, sun, load, chemicals) to a material class, with HDT, impact and absorption figures from manufacturer data sheets.

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Answer·Materials·September 23, 2026

Are 3D printed parts safe for food-contact appliances?

What Prusa Research, FDA 21 CFR 177.1630 and EU Regulation 10/2011 say about printed parts that touch food: layer grooves, nozzle lead, uncertified pigments and coatings.

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Answer·Hardware·September 23, 2026

Which print orientation makes a replacement part strongest?

Lay the load along the layers: Bambu Lab PETG Basic pulls 51 MPa in XY and 35 MPa in Z, and CNC Kitchen's PLA coupons gained 27 percent tilted to 45 degrees.

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Answer·Hardware·September 23, 2026

How to design snap-fit clips for replacement parts

Cantilever clip rules from Bayer's snap-fit guide: taper the arm to half its root thickness, fillet the root, keep strain under 2.5 to 4 percent, print the arm flat.

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Answer·Hardware·September 21, 2026

How to measure a broken part for 3D printing without a scanner

A digital-caliper procedure for outside, inside, depth and step measurements, with Mitutoyo's ±0.02 mm accuracy set against Prusa's 0.3 mm printer tolerance.

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