Hi comfort-sense,

Thanks for the file.

Boolean might work, but it is often a question of what works best for you or the target. Ideally, there should be no visual difference.

I always avoid the "best practice idea" as it suggests a full stop in exploring other options, and it is an unfortunate label for anything inside of Cinema 4D, as we may never find all possible options. So, lots to explore and find new things (In case you wonder, I find even after 28+ years using C4D new options. In short, it is better to explore and mess around to fill the creative library. So, your question is very appreciated.

The Spline Mask might show some artifacts from time to time; often, a short adjustment is all that is needed to fix it.
However, with Splines, the adjustments later on are not that difficult; adjusting a spline point vs an Object's surface might be an easy answer. But Boole is surely powerful as well.

So, this is an alternative, not better or worse (I hope). Let me know if you have questions. I'm happy to look into it.

Example:
CV4_2026_drs_25_ANsh_01.c4d
The sphere is an extra, just for show...
Screenshot 2025-09-19 at 11.58.03 AM.jpg

Enjoy your weekend

Thanks for the kind feedback, comfort-sense. 🙂

I hope you find the exact setup and enjoy the exploration

My best wishes for your project

Thank you very much for the kind feedback, Daniel P.,

This looks like an interesting project. My interest in those projections and panoramas is surely motivated by one of my Professors back at the Univerity of the Arts, Berlin, to get my MFA. Since I had studied Architecture before, as he had, we had long conversations. I learned a lot from him. In this way, I'm always happy to pay forward.

https://www.asisi.de/en/yadegar-asisi/biography

Here is one example of how to map the texture and adjust the geometry of the Dome. Then, use a camera setting that resamples the Projector specifics, including position/orientation.
https://www.youtube.com/watch?v=z_DyFhhYiL8

I have more of those little snippets on my YouTube channel.

My best wishes for your project, and please if you have a minute, after the project, can you share a link or an image? Thank you!

Hi comfort-sense,

Please check this with the support.
https://www.maxon.net/en/support-center

Thank you.
All the best