Senior Environment Artist/TD @ Stim Studio Toying with Houdini, Gaffer, Cycles. Working on hobby GPU raytracer in Rust/Metal https://jakubvondra.xyz Support 🇺🇦https://bsky.app/profile/kubo-von.bsky.socialhttps://bsky.app/profile/kubo-von.bsky.social/post/3mrdjdyto322mAnother LFdN clip released. This time it features the environment that me and my team havily worked on :) youtu.be/UBvMOSP15Oc https://youtu.be/UBvMOSP15Oc23 Jul 2026 18:57 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mrdjdyto322mhttps://bsky.app/profile/kubo-von.bsky.social/post/3mr5iognhic2wI've redone my website and I'm quite happy with how it turned out. jakubvondra.xyz I like the "small web" idea, and miss the times when most of what I consumed on the internet was from a RSS feed of various blogs, so I've added a blog section too, hopefully I will find time for some posts. https://jakubvondra.xyz21 Jul 2026 09:29 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mr5iognhic2whttps://bsky.app/profile/kubo-von.bsky.social/post/3mqrdinzmas2sA bit late to the party, but here's some enviro stuff that I did for LDR Season 4: Screaming of the Tyrannosaur. :) www.artstation.com/artwork/q0AdZN https://www.artstation.com/artwork/q0AdZN16 Jul 2026 13:24 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mqrdinzmas2shttps://bsky.app/profile/kubo-von.bsky.social/post/3momzfmipek2rThe movie we've been working on at Stim Studio for the past two years has a trailer out! https://www.youtube.com/watch?v=j7ZqMbjcCjk19 Jun 2026 09:23 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3momzfmipek2rhttps://bsky.app/profile/kubo-von.bsky.social/post/3mmpfa5il722d= Lumik Renderer update = - sending render back to Gaffer - LumikOptions node for render settings - few more shaders added - camera parms exported ( e.g. focus distance ) - primvars ! ( that paves way for image textures ) Here testing on one shot from Blender Studio's Sprite Fright short.25 May 2026 21:09 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mmpfa5il722dhttps://bsky.app/profile/kubo-von.bsky.social/post/3mm4dxmnkgs23This looks so good. https://youtu.be/POneS8h1jyU?si=0EgLxnth6Anpyb6m18 May 2026 07:26 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mm4dxmnkgs23https://bsky.app/profile/kubo-von.bsky.social/post/3mltoa7lufs2v= Lumik Renderer update = Continuing with Gaffer integration: - Scene is now sent to the renderer process via TCP instead of reading a file, only deltas are sent. - Shader node connections are exported and implemented in renderer. - Implemented few example shader nodes to show it off.14 May 2026 20:36 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mltoa7lufs2vhttps://bsky.app/profile/kubo-von.bsky.social/post/3mljlwvcqfc2v1/2 Toy renderer update: Started integrating it into Gaffer. For now I managed to register my renderer and some custom shader nodes. When IPR is ran, it saves the scene into a binary file which my renderer keeps checking for updates. Later it should sed deltas via some sockets/TCP.10 May 2026 20:28 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mljlwvcqfc2vhttps://bsky.app/profile/kubo-von.bsky.social/post/3mjjt7ucrtc2etoy GPU renderer update, mostly focused on better debugging - normal/albedo/debug aovs - AgX on/off - exposure - pixel inspector - saving images to catalogue with settings metadata - poor man's IPR - when the .usd file changes on disk, scene is reloaded - importance sampled HDRI dome lights15 Apr 2026 11:48 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mjjt7ucrtc2ehttps://bsky.app/profile/kubo-von.bsky.social/post/3mhbh6twlys2lWhile DLSS5 sure makes for great memes, this is that kind of new releases that you just love to see. [contains quote post or other embedded content]17 Mar 2026 17:01 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mhbh6twlys2lhttps://bsky.app/profile/kubo-von.bsky.social/post/3mgzwwvre3s2pA render from my toy renderer development that I liked.14 Mar 2026 17:22 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mgzwwvre3s2phttps://bsky.app/profile/kubo-von.bsky.social/post/3mfubkzlhgc2sPlaying with two recent exciting additions to my Houdini, the @thegrove3d.bsky.social addon and the MoonRay renderer.27 Feb 2026 17:51 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mfubkzlhgc2shttps://bsky.app/profile/kubo-von.bsky.social/post/3memet6d5pk2kFirst finished personal project in years! www.artstation.com/artwork/qJDxqD #Gaffer #Cycles #Houdini #b3d11 Feb 2026 21:02 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3memet6d5pk2khttps://bsky.app/profile/kubo-von.bsky.social/post/3mdxuitegwc27To mix up all the CGI nerdiness a bit: Here is an edit of some shots I took on the last two snowkiting trips to Norway. Let the freezing fingers and sketchy gear be the excuse for some of the sloppy photography and color handling. I'll try to do better this year.03 Feb 2026 17:17 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3mdxuitegwc27https://bsky.app/profile/kubo-von.bsky.social/post/3ma523ylubs25toy GPU renderer update: - DoF / customizable bokeh16 Dec 2025 21:00 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3ma523ylubs25https://bsky.app/profile/kubo-von.bsky.social/post/3m6kioayamk2sI've decided to finish an environment project I've stared a loong time ago and has been collecting dust ever since. Here's some fresh water sim test. #Houdini #Gaffer #Cycles26 Nov 2025 18:35 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3m6kioayamk2shttps://bsky.app/profile/kubo-von.bsky.social/post/3m3ojijt6ws2wHahaha, just upgraded to MacOS 26 and the ui really is hilariously bad 🤣 how could they ship this? Time to start donating to Asahi Linux.21 Oct 2025 04:45 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3m3ojijt6ws2whttps://bsky.app/profile/kubo-von.bsky.social/post/3m2n3jonufk26Toy GPU renderer update: - Nishita sky - refraction - VMF Diffuse07 Oct 2025 21:37 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3m2n3jonufk26https://bsky.app/profile/kubo-von.bsky.social/post/3lzjncp4qg22dI find Houdini very useful for prototyping stuff for my toy renderer, here bokeh sampling for example. VEX code is easy to translate to shader code.23 Sep 2025 19:19 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3lzjncp4qg22dhttps://bsky.app/profile/kubo-von.bsky.social/post/3lyj7pldzss27Having recently acquired a house to fix and an offspring to raise, I have little time. But I've sneaked in some toy renderer time here and there. Added light MIS, wavelenght importance sampling and really tried improving variance. Battle testing it on scene like this, basically only indirect light.10 Sep 2025 21:51 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3lyj7pldzss27https://bsky.app/profile/kubo-von.bsky.social/post/3lvnh7zqu3c2bIn the Future All Food Will Be Cooked in a Microwave, and if You Can’t Deal With That Then You Need to Get Out of the Kitchen https://www.colincornaby.me/2025/08/in-the-future-all-food-will-be-cooked-in-a-microwave-and-if-you-cant-deal-with-that-then-you-need-to-get-out-of-the-kitchen/05 Aug 2025 10:00 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3lvnh7zqu3c2bhttps://bsky.app/profile/kubo-von.bsky.social/post/3lvnfb4p2ws2aAmazing stuff! bonus points for the soundtrack. https://youtu.be/aq7JQCV51CY?si=gq-s4AJB3z5OGiYN05 Aug 2025 09:25 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3lvnfb4p2ws2ahttps://bsky.app/profile/kubo-von.bsky.social/post/3lr72y7icrs23Toy GPU renderer update - pathtracing! - reading basic light and material props from .usd - basic ggx+lambert shader - Maya style navigation #LightTransport #MetalShadingLanguage #RustLang09 Jun 2025 19:03 +0000at://did:plc:jfuhdwbf5t22qa2fixa7bcdu/app.bsky.feed.post/3lr72y7icrs23