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Ryan Montgomery created Roadster Atlas, a free interactive 3D model based on a 2004 Mazdaspeed Miata that represents Mazda’s 1999–2005 NB generation. It contains 699 individual parts and lets users inspect the car from different angles, explore exploded views, and see engine and suspension movement. Montgomery says models of other Miata generations are planned.
Ryan Montgomery has created a free, browser-based 3D model that lets users inspect and disassemble a Mazda MX-5 Miata from the 1999–2005 NB generation. Called Roadster Atlas, the project includes 699 individual parts and interactive views of the car’s engine and suspension, giving enthusiasts a way to explore how the vehicle is assembled without downloading software or creating an account.
Montgomery, who runs the Miata-themed lifestyle brand Roadster Republic, based the model on his own 2004 Mazdaspeed Miata. The project is intended to represent the NB generation as a whole, rather than only that individual car. Its parts range from body panels to small fasteners, and the engine can be separated into its component pieces.
Roadster Atlas includes body-off and exploded views, and users can click and drag to rotate the model and examine it from different angles. The interactive features also show the engine turning and illustrate how changes to suspension settings affect geometry. The project is available through a web browser on mobile devices, though Montgomery said in a Reddit post that a desktop browser is the better way to view it.
According to the report by The Drive, measurements draw on Mazda’s published specifications as well as media and community sources, including information from owners whose cars have been disassembled. The model is an educational visualization, not a replacement for a repair manual or a source of authoritative instructions for working on a vehicle.
A Visual Guide to Miata Components
For Miata owners and other car enthusiasts, the model offers a way to see how parts relate to one another without having to take a vehicle apart. The exploded views and moving components may help users build familiarity with the layout of the NB Miata, whether they are learning about the car, revisiting its design, or considering how an aftermarket upgrade fits into the larger assembly.
Its interactive format also makes information about mechanical relationships easier to explore than a static diagram: users can rotate the car, isolate parts and watch selected systems move. That can support general understanding, but it should not be treated as a substitute for service documentation or professional advice when planning repairs or modifications. The project’s free browser access means users can explore it without specialized software or an account.
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Built Around the NB Generation
The NB is the second generation of the Mazda MX-5 Miata, spanning model years 1999 through 2005. Montgomery used a 2004 Mazdaspeed model as his starting point, while Roadster Atlas is described as a representation of the broader generation. The Drive reports that the model includes detailed views extending from exterior panels to engine internals.
The project brings together a digital model and interactive demonstrations rather than presenting a conventional repair guide. Its measurements rely on Mazda specifications and additional media and community information, according to the report. That mix is relevant when interpreting the model: it is designed to show how parts fit and move, not to certify the dimensions or procedures needed for a specific repair.
“The model is best viewed on a desktop.”
— Ryan Montgomery, in a Reddit post, as reported by The Drive
Limits of the Model and Its Scope
The available report does not specify when additional generations will be released, which models Montgomery intends to complete first, or how often Roadster Atlas will be updated. It also does not provide a detailed accounting of which measurements come from Mazda documentation and which rely on media or community contributions.
The model represents the NB generation using a 2004 Mazdaspeed Miata as its starting point. The report does not explain how differences among NB trims, options or individual cars are represented. Users should not assume every displayed part or measurement applies unchanged to every NB Miata, or use the visualization as a substitute for vehicle-specific service information.
More Miata Generations Planned
Montgomery has said that other Miata generations are planned for Roadster Atlas. The source report gives no release timetable, details about which generation will appear next, or confirmation of how the project will expand. For now, users can explore the NB model in a browser; those seeking detailed or vehicle-specific repair guidance will still need appropriate service documentation.
Key Questions
What is Roadster Atlas?
Roadster Atlas is a free, interactive 3D model of the NB-generation Mazda MX-5 Miata. It lets users rotate the car, inspect parts and view selected components in motion through a browser.
Which Miata does the model represent?
It is intended to represent the 1999–2005 NB generation. Montgomery used his own 2004 Mazdaspeed Miata as the starting point, but the report does not detail how every trim or option is represented.
Is Roadster Atlas free to use?
Yes. The Drive reports that it can be viewed for free in a browser, without an account or software download. Mobile browsers are supported, though Montgomery recommends viewing it on a desktop.
Can the model replace a Miata repair manual?
No. The report describes the project as a way to understand how parts fit and work together, not a replacement for a shop manual. Use vehicle-specific service information for repairs and modifications.
Will other Miata generations be added?
Montgomery has said that other generations are planned, according to The Drive. The report does not give a schedule or identify which model will be added next.
Source: thedrive.com
