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Ryan Montgomery, who runs the Miata-themed brand Roadster Republic, created Roadster Atlas, a free interactive 3D model based on a 2004 Mazdaspeed Miata. It displays 699 individual parts, offers exploded and body-off views, and includes animations of engine movement and suspension geometry. Montgomery says other Miata generations are planned.
Ryan Montgomery has created Roadster Atlas, a free interactive 3D model that lets users examine a 1999–2005 NB-generation Mazda Miata as 699 separate parts. Built from Montgomery’s own 2004 Mazdaspeed Miata, the online project offers exploded and body-off views intended to show how the car’s components fit together, giving owners and enthusiasts a visual reference without requiring an account or download.
The model covers parts ranging from body panels to bolts, and its engine can be separated into individual components. Users can rotate the view by clicking and dragging, inspect different angles, and switch to layouts that expose how the car is assembled. The project also animates the engine and shows how changes to suspension settings affect geometry, according to The Drive’s report.
Montgomery used his own 2004 Mazdaspeed Miata as the starting point, but says the model is intended to represent the broader NB generation, which ran from 1999 through 2005. The report says the site works in mobile browsers, while Montgomery wrote in a Reddit post that it is best viewed on a desktop.
Roadster Atlas is accessible in a browser at no cost and does not require users to create an account or install software. Its measurements draw on Mazda’s published specifications as well as information from media and Miata owners, including people whose cars have been disassembled, according to the report.
A Visual Reference for Miata Owners
Roadster Atlas gives owners a way to see how an NB Miata is put together before they work on, maintain, or modify a car. Exploded views can make the relationships between parts easier to understand than a finished-car image, while the animated engine and suspension displays provide a visual explanation of how some systems move or change. That can help enthusiasts prepare questions or plan an upgrade, though the model is not a substitute for verified repair instructions.
The project’s free, browser-based access lowers the barrier to exploring the model. Its detailed presentation may also be useful to people learning about car design or refreshing their knowledge of a vehicle they already own. Those are potential uses, not a guarantee that every model detail is suitable for diagnosing a fault or carrying out a repair.
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Built Around the NB Miata
The NB is the second generation of Mazda’s MX-5 Miata, spanning model years 1999 to 2005. Montgomery based the project on a 2004 Mazdaspeed version, while aiming to make the model representative of the generation rather than a digital replica of only his own car. The report does not list which trim or production differences are represented in the model.
The Drive reports that Montgomery is behind Roadster Republic, a Miata-themed lifestyle brand. He has said other Miata generations are planned for Roadster Atlas. No schedule or specific next-generation release was included in the source report.
“The model is best viewed on a desktop.”
— Ryan Montgomery, in a Reddit post, as described by The Drive
Model Coverage and Accuracy Limits
The source report does not specify how Roadster Atlas handles differences among NB trims, model years, or optional equipment. Although the model uses Mazda specifications and other sources, it does not provide a stated accuracy rating or explain how individual measurements were checked. Users should not assume that every displayed part or setting exactly matches every NB Miata.
It is also unclear when additional generations will appear, which versions Montgomery plans to model, or whether future releases will have the same level of detail. The report does not describe any formal review by Mazda or independent engineering validation.
Other Miata Generations Planned
Montgomery has said that other Miata generations will be rendered next, but no release dates or model order are available in the source material. For now, Roadster Atlas users can explore the NB-based model in a browser. Any use for maintenance or modification should be checked against the vehicle’s applicable service documentation and qualified expertise, rather than relying on the visualization alone.
Key Questions
What is Roadster Atlas?
It is a free interactive 3D model based on the NB-generation Mazda Miata, with views that let users inspect individual parts and how they fit together.
Which Miata does the model represent?
Montgomery used his 2004 Mazdaspeed Miata as the starting point. The project is intended to represent the NB generation, which covers model years 1999 to 2005.
How many parts are included?
The Drive reports that the model contains 699 individual parts, including body panels, bolts, and components of the engine.
Can Roadster Atlas replace a repair manual?
No. The source report says it is not intended to replace a shop manual. Owners should consult the correct service information and qualified professionals for repair work.
Will other Miata generations be added?
Montgomery has said other generations are planned. The source report does not give release dates or identify which generation will be added next.
Source: thedrive.com
