ZiT Studio — v1.1

ZiT Studio — v1.1 is a ComfyUI workflow for ZImageTurbo that generates images, inpaints, edits images image-to-image, and upscales them. Use an image for inpainting, image-to-image editing, or upscaling; the outputs are generated, edited, or upscaled images.

Image generation, inpainting, and upscaling are separate groups that can be toggled individually.

You can switch between creating images, inpainting, and image-to-image editing in a layout intended to resemble A1111/Forge.

Inpainting uses Alibaba-PAI's ControlnetUnion-2.1. Tile upscaling uses Alibaba-PAI's Tile Controlnet.

Upscaling options include latent upscale, tile upscale, and SeedVR2.

NAG supports negative prompts; SeedVariance nodes add variety between seeds; and ModelMergeSimple nodes let you use multiple LoRAs.

Setup notes call for `UltraFlux-Vae.safetensors` and say to install the capitanZiT scheduler by running `git clone https://github.com/capitan01R/ComfyUI-CapitanZiT-Scheduler.git` from a command prompt in `custom_nodes`.

Node packs listed alongside the workflow include `capitan-conditioningenhancer`, `comfyui-custom-scripts`, `comfyui-inpaint-cropandstitch`, `was-node-suite-comfyui`, `comfyui_controlnet_aux`, `comfyui-easy-use`, `seedvr2_videoupscaler`, `seedvarianceenhancer`, and `comfyui-logic`

Other listed node packs include `Qwen-llm-loader`, `RES4LYF`, `rgthree-comfy`, `comfyui_ultimatesdupscale`, `comfyui_essentials`, `comfyui-impact-subpack`, `comfyui-impact-pack`, `comfyui-kjnodes`, and `comfyui-logicutils`.

Model files listed include `seedvr2_ema_7b_fp16.safetensors`, `Z-Image-Turbo-Fun-Controlnet-Union-2.1-2601-8steps.safetensors`, `Z-Image-Turbo-Fun-Controlnet-Tile-2.1-2601-8steps.safetensors`, `4xRealWebPhoto_v3_atd.pth`, `SerenaPokemon_ZIT.safetensors`, `z_image_turbo_bf16.safet

Optional features are off by default: the LLM Prompt Enhancer uses Qwen3-4b-Thinking-2507, and the optional optimization uses Triton and Sageattention.

For a faithful 4K upscale, the notes recommend SeedVR2. After latent upscaling, they suggest tile upscaling when you want to bring out new details.

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The notes say NAG inpainting does not work with the `scottmudge/ComfyUI-NAG` version and list the `pxllvr/ComfyUI-NAG` fork as a workaround.

If latent upscaling leaves artifacts near the bottom of an image at a particular aspect ratio, the notes suggest lowering denoise or trying tile upscale.

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