3 Easy Steps to create a Stable Diffusion QR Code Art II

Stable Diffusion AI Art

3 Easy Steps to create a Stable Diffusion QR Code Art II

Step 1 — Generate a QR Code

Step 2 — Set-up Automatic1111 and ControlNet

Step 3 — Generate QR Code Arts

Step 1 — Generate a QR Code

Create a QR code using one of the free websites.

QR Code Generator | Create QR Code for free

We will use a QR Code design with a blank logo in the middle.

Generate and download your QR code with the following settings:

• Your Logo: Blank Logo
• Remove background behind Logo: On
• Logo size: 150%
• Your Colors: Transparent background Off

Sample QR Code

Step 2 — Set-up Automatic1111 and ControlNet

We will use QR Code Conditioned ControlNet Model for Stable Diffusion 1.5 and Brightness ControlNet to make it more readable.

DionTimmer/controlnet_qrcode · Hugging Face

Download QR Code and Brightness ControlNet models:

• ControlNet QR Code: control_v1p_sd15_qrcode.safetensors (place the .safetensors model and its .yaml config file to your “stable-diffusion-webui\extensions\sd-webui-controlnet\models” folder)
• ControlNet Brightness: control_v1p_sd15_brightness.safetensors (place the .safetensors model to your “stable-diffusion-webui\extensions\sd-webui-controlnet\models” folder)

Step 3 — Generate QR Code Arts

Let’s open Automatic1111 web UI and use “txt2img” mode.

Sample prompt

(best quality, masterpiece), cheese burger
Negative prompt: ugly, disfigured, low quality, blurry, nsfw
Steps: 20, Sampler: Euler a, CFG scale: 7, Seed: -1, Size: 768x768, Clip skip:2

Automatic1111 txt2img Mode

We are going to use two ControlNet Units (0 and 1).

ControlNet Unit 0:

Upload your QR code to ControlNet Unit 0 tab with the following setting:

• Check: “Enable”
• Preprocessor : “none”
• Model: “control_v1p_sd15_brightness”
• Control Weight: 0.35 (Try adjusting Control Weight to your liking.)
• Starting Control Step: 0 (default)
• Ending Control Step: 1 (default)
• Control Mode: Balanced (default)

ControlNet Unit 1:

Upload your QR code to ControlNet Unit 1tab with the following setting:

• Check: “Enable”
• Preprocessor : “none” (You can use the invert pre-processor for a different results.)
• Model: “control_v1p_sd15_qrcode”
• Control Weight: 1.4 (Try adjusting Control Weight between 1 and 2.)
• Starting Control Step: 0 (default)
• Ending Control Step: 1 (default)
• Control Mode: Balanced (default)

Generate several batches and test it!

Sample QR Code Image

Stable Diffusion AI Art

Related Articles:

• 3 Easy Steps to create a Stable Diffusion QR Code Art I
• 3 Easy Steps to run Automatic1111 on Amazon SageMaker Notebook