printit

this was a fun experimante in the 2023 ccc camp, people printed a lot of stickers.

live at > https://print.tami.sh

it currntly a mini obsession. it can do a few things and more to come.

• print images (dithered as its a b/w thing)
• print labels, with QR codes if url provided
• print masks for PCB DIY etching(!), use the transparent ones for best resualts (WIP)
• print text2image using stable diffusion API
• print cats

started as a fork of brother_ql_web and his brother_ql printer driver, this driver is maintained and developed by matmair

network access by the openziti/zrok projects

TBD

• better text/label handeling
  • wrap text for printing paragraphs
  • rotate labels to print bigger stuff
• ???
• profit

usage

added `streamlit`` to requirements.txt

pip install -r requirements.txt
streamlit run printit.py --server.port 8989

we use the zrok.io to secure a static url.

```bash
zrok reserve public 8989
zrok share reserved xxxxxx

systemd

add you service to keep it alive. change <user> with your username. or any path to the printit folder.

create at /etc/systemd/system/sticker_zrok.service

[Unit]
Description=sticker factory
After=network.target

[Service]
ExecStart=/bin/bash -c 'source /home/<user>/printit/venv/bin/activate && streamlit run printit.py --server.port 8989'
WorkingDirectory=/home/<user>/printit
Environment="PATH=/home/devdesk/<user>/printit/venv/bin/python"
Restart=always
User=<user>
Group=<user>
[Install]
WantedBy=multi-user.target

sudo systemctl deamon-reload
sudo systemctl enable sticker.service
sudo systemctl start sticker.service

#debug using
sudo journalctl -u sticker.service --follow
sudo journalctl -u botprint.service --follow

we use the zrok.io to secure a static url.

zrok reserve public 8988
zrok share reserved kjvrml0bxatq

you can also run a service for this.

windows

to get the brother_ql lib to detect the printer, you need to install a usb filter

• grab release from zdiag
• refresh device list
• install the filter 'lib-winUSB` ,replacing the ql-XXXX driver
• replug the printer