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BELLA

Fast Spectral Rendering. Simply Beautiful.

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HOME

From a development team that pioneered commercial physically-based unbiased
rendering over two decades ago, Bella represents the next generation in fast
spectral rendering.




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 * Seat License
   500€
   Purchase




WHAT IS DIFFERENT ABOUT BELLA?

Unlike renderers that employ confusing arbitrary parameters, Bella speaks a more
natural language, based on real world concepts and units. This means that in
addition to rendering quickly, Bella is also very predictable, allowing you to
avoid wasting time with trial and error during scene setup.




FAST SPECTRAL RENDERING



Bella's state of the art spectral solvers open a world of visual richness and
detail that you have been missing with your RGB renderer.

Optical effects such as the beautiful dispersion seen here, emerge naturally
with no need of hacks or workarounds.



Image by Thomas An.




FOCUS ON PERFORMANCE



Bella's fast CPU solvers can provide performance several times greater than that
of even some non-spectral competitors.



Here, we see Saturn CPU producing results similar to Cycles CPU in Rhino, but in
around 1/5 the time.



The difference can be even greater on MacOS, for renderers that do not yet run
natively on Apple Silicon.



Scene available here, and minute-by-minute comparison video available here.




TIME: 6 MINUTES


TIME: 17 MINUTES


TIME: 34 MINUTES




MATCHLESS REALISM



Bella's painstaking attention to detail in the models and algorithms we use,
results in images with simply better light, and more life.



This is something that cannot be added later on in a project, it must be taken
as a fundamental imperative from the very beginning.



Output directly from Bella, no post processes applied. Click here to see an
animation of this scene.




ARCHVIZ



Bella's fast Saturn solver is especially suitable for architectural work.

For instance, it handles typical sunlit glass facades with ease, using standard
glass materials, with no special setup.



Rendered 5m 11s @ 1080p, no denoising *




PRODUCT VIZ



Bella's Saturn solver makes quick work of product viz scenes.

The Bella Uber material makes it fun and easy to experiment, as you create
appealing and unique looks.



Rendered 1m 36s @ 4K, no denoising *




JEWELRY



With its beautifully accurate dispersion, Bella is the perfect choice for taking
your jewelry work to the next level.

Precious metals and gem materials may be defined using real measured data, with
the additional useful option of overriding a gem's natural color.



Image by Thomas An.




COMPLEX CAUSTICS



Bella's Atlas solver easily handles scenes with complex caustics such as
swimming pools and the like.

The interesting caustics in this scene emerge naturally by the use of real
measured data in the water material.



Rendered 15m @ 1080p and denoised **




APPLE SILICON



Though host applications may not yet support Apple Silicon, Bella already
supports it natively.

Built as Universal Binaries, Bella applications & plugins provide the best
possible performance no matter your type of machine.





BELLA FOR RHINO



Bella for Rhino provides a seamless workflow within Rhino 6, 7 & 8.

You will find cameras, materials, and environments where you expect them to be,
working how you expect them to work.

Try it today!

Download for Windows
Download for MacOS



BELLA FOR MAYA



Bella's nodal system is quite similar to Maya's, so Bella's nodes are a natural
fit to be exposed natively in Maya.

Whether you use Maya 2018, 2019, 2020, or 2022, you can give Bella a try today!


Download for Windows
Download for MacOS



LICENSING & SUPPORT



Bella's deliberately simple floating permanent license ensures you do not lose
valuable time to complicated, error-prone license managers.

Core developers strive to be open and responsive, available to assist quickly &
directly with any issue you may encounter.



Try Bella today!



 * Seat License
   500€
   Purchase




* CPU used for timed examples & comparisons: AMD 5950X
** Image denoised using the integrated Intel denoiser (OIDN).


GALLERY

GENERAL

Dielectric+Scattering Test

Optical Vignetting

Dice by outfox
4K render test, 1m 36s on a 5950x
Dining room
Christmas 2021 image by outfox


Davone speaker
Davone speaker
Davone speaker
BMW M3

Sunset

LC4 chaise lounge
Wedding band with white background.
Wedding band.
Diamond with dispersion
Basic Living Room
Modern Hall 2
Contemporary bathroom
Bedroom
Bedroom
Listening room
LC2
Journal maison
Swimming pool caustics
Sunlit pool scene.
Digital Emily
Digital Emily light study
Digital Emily
Butter (randomwalk Subsurface material).
Butter with wrapper (randomwalk Subsurface material).
Beetle
Beetle
Patio at dusk
Patio in sun
Dispersion & bokeh
Ring
Porsche 907 Longtail
Porsche 907 Longtail
Porsche 907 Longtail
Tyrrell P34
Ford E3ZM-6049-C3
E30
Concrete house
Museo
Bella Thin Lens
Bella Thick Lens
Latex dragon
Glassware
Real refraction & TIR in virtual layers
Christmas image
Christmas image, Bella Thick Lens
Bubble irridescence
Villa
Chiron
Chiron, white & blue.
6L6
Bella sun & sky

Reloj Tourbillion
Reloj Tourbillion with Bella Thick Lens


nespresso-AG420



THOMAS AN.

Thanks to ThomasAn. of Rayflectar Graphics for allowing us to include these
images.




TECHNICAL

Camera obscura (exterior view)
Camera obscura
Camera obscura (diagram)
Un-dispersion of dispersion, laser's eye view
Un-dispersion of dispersion, diagram
Un-dispersion of dispersion, top-down, no ambient light
Un-dispersion of dispersion, top-down, with ambient light
Un-dispersion of dispersion, overview, no ambient light
Un-dispersion of dispersion, overview, with ambient light
Single-wavelength indirect cornell test, with bump mapping
Single-wavelength indirect cornell test, without bump mapping
Single-wavelength indirect cornell test, diagram



PHILOSOPHY

Bella has been created to be the type of software that we, ourselves, prefer to
use, not only in how the software itself is designed, but also in how it is
offered as a product, and in how it is licensed.

PRODUCT

We believe in offering a clear and simple product -- therefore, the only Bella
offerings are the seat license, which includes all Bella software and plugins,
and the node license (reduced cost, for CLI rendering only), neither of which is
locked to any particular machine or operating system.

PROTECTION

We do not believe in forcing our honest customers to pay the price (in terms of
the inconvenience, and inevitable failure of draconian licensing schemes) to
protect Bella from unauthorized use -- therefore, the Bella license is
implemented as a simple text file.

PRIVACY

We believe strongly in respecting your right to privacy -- therefore, Bella
neither requires contacting any remote server to validate or register a license,
nor does the software attempt to establish any remote connections, at all,
during use.




ABOUT US

Bella is developed by Diffuse Logic, a Barcelona-based software company with
decades of cumulative experience in the fields of physical simulation and
rendering, as well as user-interface design and plugin integration.



ÓSCAR CANO & ALBERT MARTINEZ

Responsible for our core rendering tech, Óscar and Albert are experts in
modeling the complex optical physics involved in simulating the behavior of
light, and pioneers in the practical implementation of physically-based
rendering..

JEREMY HILL

Jeremy is responsible for our APIs, for developing our applications and plugins,
and for creating the systems we use for building and deploying our software.

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