H-Point: Package Builder (Blender Extension)

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Automotive packaging for Blender. Referencing SAE J1100, the global automotive measurement system.

Every real car, from a Fiat 500 to a Bugatti Chiron, starts from a package: a measured framework of "Hardpoints," dimensions, relationships, and ergonomic constraints that the body wraps around. Vehicles are designed around the driver: how they get in and out, how they see the road, how they reach the controls, how safely and comfortably they can drive. Without a package, you're guessing. With one, you have a roadmap based on logic and benchmarks. H-Point: Package Builder gives you that framework, inside Blender.

What this is

H-Point: Package Builder generates 3D reference geometry for vehicle design: tire geometry, ground planes, H-point markers, ergonomic manikins, and a full set of dimension controls. It references SAE J1100, the same dimensional system every major automaker uses. You start with the package and design around it, or move your existing dataset onto it as reference. Every measurement is exposed as a control, and they're all linked by the relationships that define a real vehicle: the seat at the right distance from the steering wheel, the pedals under the driver's foot, the eye-line clearing the cowl. Change one, the rest stay coherent.

Why this exists

H-Point: Package Builder is a piece of a puzzle we've been working on for years: how to bring the rigor of automotive packaging into the workflows where designers actually live today. It's the latest tool in the Curb Industries H-Point family, referencing the principles of H-Point: The Fundamentals of Car Design and Packaging by Stuart Macey, the textbook developed at ArtCenter College of Design and used at CCS, RCA, Pforzheim, and virtually every transportation design program in the world.

We've worked on advanced concepts for BMW, Bugatti, Ford, Honda, Jeep, Dodge, Hyundai, Genesis, Waymo, and Slate. But what shaped this tool the most wasn't the OEM work. It was teaching at ArtCenter, where we've worked with students on hundreds of experimental vehicle concepts: hypercars, autonomous pods, EV trucks, kei-class commuters, and vehicles that don't fit any existing template.

Until now, similar tools cost tens of thousands of dollars per seat, run on software that takes years to learn, and live behind doors most aspiring designers can't get through. That's a problem worth solving. H-Point: Package Builder puts the same foundation into software you already know, at a price an individual can afford. Anyone can design a car. It just takes the right framework to start.

Inside

• Ergonomic manikins: 95th-percentile anthropomorphic templates referencing SAE J826. Driver, passenger, and rear-facing modes, up to 4 rows. Place a real person; design the seat around them.
• Tire module: tire geometry, fully parametric. Stagger front and rear independently. Wheels stay grounded as the package scales. Multi-axle ready: single or tandem layouts, with proper midpoint anchoring per SAE convention.
• Linked dimensions and relationships: wheelbase, overall length, overhangs, track, ride height, cabin height, beltline, ground clearance, sightlines. The relationships between them (seat to steering wheel, pedals to H-point, eye-line to cowl) are preserved automatically. Move one, the rest stay coherent.
• Industry-standard labels: every landmark and dimension carries its SAE J1100 code, and tooltips explain what each one means. Verify against any spec sheet.
• Blender-native integration: packages take full advantage of Blender's materials, lighting, and animation features. The package becomes a polished, expressive part of your design process and storytelling. Not just hidden scaffolding.

Where it earns its keep

Sketching a new concept? Create a package and start the body around real proportions. Modeling a vintage car? Set the dimensions from the spec sheet, and the package will show you why the original designers made the choices they did. Building a portfolio piece? Your renders will read as a real car.

Not done yet

H-Point: Package Builder ships in v1 as a fully functional tool. It's solid, and it works. The roadmap goes further. New modules and workflow tools are already in development, and all v1.x updates are included with your purchase. This is a foundation we're growing on, and the additions ahead are ambitious.

What designers are saying

"Love it Alan." Xitij Mistry, Creative Design Manager at Lincoln and Ford Design

"Packaging is surprisingly hard to do quickly and to iterate on. Super cool tool!" Shad Woodland

"Awesome! Been doing this quasi-manually for a decade. Love to see the interactivity!" @scafoto

"This is perfect for automotive design college, I need this." @calcium_pvt

"Now I can stop my version development." @gpravin1234 · "This looks incredible. How do I get it!!!!" @dave_clark_designs · "This is the best news I've heard in 2026." @romzes_01 · "Tried it. Beautiful." @halawadj · "Game changer." @ianshotwheels · "Brilliant." @al.yasid.arte  · "This is dope." @wilbursupermachines 

 Use in conjunction with "H-Point: The Fundamentals of Car Design and Packaging" to develop innovative concepts rooted in functional objectives.

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