Few different methods for outpainting on SDXL:

• Simple expansion (no additional prompting/action)

• Full Background Replacement

• Sketch to Render

INSTALL

• Mile High Styler - https://civitai.com/models/119246/comfyuimilehighstyler

• Rgthree - GitHub - rgthree/rgthree-comfy

• IP Adapter Plus - GitHub - cubiq/ComfyUI_IPAdapter_plus

• Impact Pack - GitHub - ltdrdata/ComfyUI-Impact-Pack

• Use Everywhere - GitHub - chrisgoringe/cg-use-everywhere

• ComfyRoll Studio - GitHub - Suzie1/ComfyUI_Comfyroll_CustomNodes: Custom nodes for SDXL and SD1.5 including Multi-ControlNet, LoRA, Aspect Ratio, Process Switches, and many more nodes.

• Efficiency Nodes - GitHub - jags111/efficiency-nodes-comfyui: A collection of ComfyUI custom nodes.- Awesome smart way to work with nodes!

• WAS Node Suite - GitHub - WASasquatch/was-node-suite-comfyui: An extensive node suite for ComfyUI with over 190 new nodes

• Canvas - GitHub - Lerc/canvas_tab: ComfyUI canvas editor page

MODELS NEEDED

• LCM LORA - https://civitai.com/models/195519?modelVersionId=219782

• Yolov8m-seg.pt - https://docs.ultralytics.com/tasks/segment/

• Clip Vision - https://civitai.com/models/133362/imageblender-includes-clip-vision-model

• IP Adapter - GitHub - cubiq/ComfyUI_IPAdapter_plus

YouTube Tutorial