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Approximate screen color · source authority unverified

Treat this hex as approximate until it is checked against a physical sample.

3DXTECH

OBSIDIAN GF+ Red

PA6 GF · Nylon

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Color values and print settings
Hex
#B7293E
RGB
183, 41, 62
HSL
351°, 63%, 44%
CIELAB
41.22, 56.55, 23.59
Diameter
1.75 mm

Printing this material

  • Abrasive — Contains fibre, mineral or metal filler that wears brass nozzles quickly. A hardened or ruby nozzle lasts; a stock brass one may not survive a spool.
  • Enclosure recommended — Shrinks enough while cooling that draughts cause warping and split layers. An enclosure, or simply a still room, makes the difference.
  • Keep dry — Absorbs moisture from the air, which prints as stringing, popping and weak layers. Filament that has sat out usually needs drying before use.

True of Nylon generally. Follow 3DXTECH’s own guidance for this spool.

Where to buy

This purchase link is an affiliate link, so Filament Select may earn a commission at no extra cost to you. As an Amazon Associate, Filament Select earns from qualifying purchases. Ranking is determined by color difference alone and is never influenced by commission. Full disclosure.

3DXTECH’s own store hasn’t listed this colour since Sep 29, 2026. It may be out of stock until a restock. We check the store several times a day.

Amazon

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Closest alternatives from other spools

Ranked by how close each one looks to #B7293E, measured perceptually. Useful when this color is out of stock or you print in a different material.

Other colors in PA6 GF

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