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B6 Engine Pen Holder: A "Happy Accident" Design 3D Printer File Image 1
B6 Engine Pen Holder: A "Happy Accident" Design 3D Printer File Thumbnail 1

B6 Engine Pen Holder: A "Happy Accident" Design

GEEKRAGE avatarGEEKRAGE

January 23, 2026

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Description

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The Story: From a Failed Key Hanger to a Perfect Desk Companion

This model was originally born from a "failed" design of a mechanical 4-cylinder key hanger. When I finished the 8-hour print of this B6 engine block, I realized the pistons I designed were the wrong length... a classic 3D printing nightmare!

However, looking at the empty cylinders on my desk, I had a revelation: "This is the world's coolest pen holder." It's heavy (approx. 200g), robust, and carries the unmistakable soul of the legendary B6 engine. Whether you're a Miata fan or just a gearhead who loves precision machinery, this block will dominate your desk.

Features:

  • Real Engine Aesthetics: Faithfully recreated the ribs and bolt holes of a real 4-cylinder block.
  • Dual-Tone Finish: Designed for easy filament swapping to achieve that metallic cylinder head look.
  • Rock-Solid Stability: At 200g, it won't budge even when holding heavy tools or calipers.
  • A1 mini Compatible: Optimized for a 180x180mm bed, but looks like it came out of a professional machine.

ストーリー:失敗作から生まれた、最高のデスク相棒

このモデルは、もともと「可動式4気筒キーハンガー」の試作失敗から生まれました。8時間かけてB6エンジンブロックを印刷し終えたあと、設計したピストンの長さが間違っていたことに気づいたのです……3Dプリンター乗りなら誰しもが経験する悪夢です。

しかし、デスクに置かれた空のシリンダーを眺めていた時、閃きました。「これ、世界一カッコいいペン立てじゃないか?」

約200gの重厚感と、伝説的なB6エンジンの魂を宿した造形。ロードスターファンはもちろん、精密機械を愛するすべてのギークのデスクに相応しい一品です。

特徴:

  • リアルな造形: 実物のブロックのリブやボルト穴を忠実に再現。
  • 2色塗り分け: シリンダー天面のメタル感を表現するためのフィラメント交換に最適化。
  • 抜群の安定感: 200gの重量で、ペンやノギスを立ててもびくともしません。
  • A1 mini対応: 180mm四方のベッドで印刷可能ですが、仕上がりはプロ仕様です。

License:

Standard Digital File License

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