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Upgrade Kit for LEGOs speed champions GT3 RS 3D Printer File Image 1
Upgrade Kit for LEGOs speed champions GT3 RS 3D Printer File Image 2
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Upgrade Kit for LEGOs speed champions GT3 RS

JohannesDorig avatarJohannesDorig

April 8, 2026

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DescriptionCommentsTags

Description

Description

Since I wasn’t fully satisfied with the original look of this Speed Champions model, I decided to take matters into my own hands and design custom 3D-printed parts. My goal was to make the model closer to the real-life car while keeping the number of custom parts as low as possible.

 

If you have any suggestions for improvements or ideas for other Speed Champions upgrades, feel free to leave a comment!

 

ATTENTION:

In the manual the pieces with a green step box are CUSTOM PIECES and are 3D-Printed! Like in the picture below

 

What did I change?

  • New custom wheels
  • Redesigned front with tilted headlights
  • New carbon fiber hood
  • New rounded side air vents
  • Updated rear side sections for better accuracy
  • Completely redesigned rear end
    • New taillight design
    • Lowered the rear lip spoiler by 1 stud
    • New diffuser
    • Improved side elements to better match the original car
  • Lowered the window and roof by 0.5 studs

License:

Standard Digital File License

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