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Notes from the print bed.

Fitment guides, material breakdowns and reverse-engineering write-ups for discontinued and hard-to-find car parts.

[ 14 ] ARTICLESUPDATED WEEKLY
Volvo 740/940/960 window crank handle, 3D printed by O43D[01]
Guides

Installing 3D-printed car parts: clips, fit and the mistakes to avoid

A part that fits perfectly on the bench can still fight you in the car. Here's what we've learned about clips, clearances...

1. sep. 2026 · 3 MIN READ
Ferrari 348TS rear hood emblem, OEM look reproduction[02]
Guides

OEM vs 3D-printed replacement parts: what you gain and what you give up

An OEM part is injection-moulded, tested to a specification and guaranteed to fit. A printed replacement isn't any of those things. So...

1. sep. 2026 · 3 MIN READ
VW Golf 2 Mk2 battery cover intercooler air guide grille, 3D printed by O43D[03]
Guides

Heat, sun and the inside of a car: ASA, ABS and PETG compared

A car interior hits 70°C in summer and exterior trim sits in UV all year. Here's how ASA, ABS and PETG behave...

1. sep. 2026 · 3 MIN READ
Votex console gauge holder for VW Golf Mk2, 3D printed by O43D[04]
Guides

Designing a part for 3D printing: what to send us

The difference between a file that prints first time and one that costs three revisions is usually decided before we open the...

1. sep. 2026 · 3 MIN READ
Volkswagen Golf Mk1 front grille, sanded and painted, 3D printed by O43D[05]
Guides

Sanding, priming and painting 3D-printed parts: a finishing guide

FDM parts come off the printer with layer lines. Here's how we go from a raw print to a part that looks...

1. sep. 2026 · 3 MIN READ
BMW Z3 E36 inside door pull grab handle, left and right pair[06]
Guides

From CAD file to finished part: our quality control checklist

Every part gets checked against the same list before it ships, whether it's a €24 ashtray insert or a forty-piece B2B production...

30. avg. 2026 · 2 MIN READ
VW Golf 2 MK2 battery cover intercooler, printed in PETG[07]
Guides

Why we print most exterior car parts in PETG

PETG isn't the flashiest filament, but it's what we reach for on most exterior trim. Here's the actual reasoning, and where we...

30. avg. 2026 · 2 MIN READ
VW Polo rear bumper diffuser lip, three-piece 3D printed set[08]
Guides

How much does a custom 3D-printed car part cost?

Material, process, size and quantity — the four things that actually move the price of a custom or reproduced part, with real...

30. avg. 2026 · 2 MIN READ
Audi 100 C3 interior door pull handle, reverse-engineered[09]
Guides

Reverse engineering a part with no CAD file, no drawing, no vendor

For B2B clients the starting point is usually a failed part and a dead supplier, not a spec sheet. How we rebuild...

30. avg. 2026 · 2 MIN READ
VW Golf 2 MK2 side door sliding window switch housing, 3D scanned and rebuilt[10]
Guides

From broken part to CAD file: how we 3D scan for reprints

Most parts we reproduce start as a worn or broken sample, not a drawing. Here's what happens between the part landing on...

30. avg. 2026 · 3 MIN READ
Hella-style dual round headlight covers for VW Golf MK3[11]
Guides

Hella-style headlight covers: fitment, materials and finish

Round Hella-style covers for Golf MK3 and BMW E30 quad-light setups — how they fit, what we print them in, and how...

30. avg. 2026 · 2 MIN READ
BMW E30 325iS front bumper air intake, precision-fit 3D printed part[12]
Guides

3D printing tolerances: what to expect on automotive parts

Plus or minus what? A straight answer on FDM, SLA and SLS accuracy — what drives the variation, how to design around...

26. avg. 2026 · 5 MIN READ
Audi A6 C5 S6 Allroad cup holder dashboard air vent, 3D printed[13]
Guides

3D printing materials 101: what to print in, and why

PLA, PETG, ABS, ASA, nylon, polycarbonate, resin, TPU — a plain-English guide to the materials we print with every day, and the...

26. avg. 2026 · 6 MIN READ
Mercedes R129 roofelight cover interior dome light trim, 3D printed[14]
Guides

FDM vs SLA vs SLS: choosing the right 3D printing process

Three letters, three very different parts. A practical guide to picking the process that actually fits your project — with the trade-offs,...

26. avg. 2026 · 6 MIN READ
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