IT/Software/Octoprint
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Octoprint
An application to control (usb) 3d-printers over the network.
- send .stl over the network (no sd cards needed)
- setup and control the print
- monitor the progress of ongoing prints (optionally, webcams can be added to see the visual state)
Multi 3D printer support
- Octoprint only supports one printer per instance
- in order to support multiple printers, we can deploy multiple docker containers
- the different printers can then be assigned to their respective instance
- this example sets up 2 instances for 2 priners, modify it to your needs
Requirements
Hardware
- Debian/Ubuntu based host (RPi, Laptop, ...)
- one USB port per 3d printer
- Recommended: network connectivity to host (if not, only control over localhost is possible)
- Optionally: one webcam per 3d-printer (needs additional USB ports)
Software
- Recommended: ssh enabled on host (required for ansible deployment >>
sudo apt install openssh-server -y) - Docker installed https://docs.docker.com/engine/install/ubuntu/ / https://github.com/stefannyffenegger/automation/blob/main/ansible/pb_prompt_install-docker.yml
- Recommended: Portainer installed https://docs.portainer.io/start/install-ce/server/docker/linux / https://github.com/stefannyffenegger/automation/blob/main/ansible/pb_prompt_install-portainer.yml
Deploy Octoprint with 2 printers
General
- modify the docker-compose.yml according to your printer and webcam devices (e.g. /dev/ttyACM0 /dev/video0)
- make sure each instance uses it's own port (default port 81 and 82)
Manual deployment with Portainer
- deploy the compose file on the hosts Portainer as a stack
- access and configure at http://<HOST_IP>:81/ http://<HOST_IP>:82
Plain Docker Compose without Portainer
- copy the compose file to /srv/docker/octoprint/docker-compose.yml on the host
cd /srv/docker/octoprint- start the containers with
sudo docker compose up -d - check if containers are running
sudo docker ps - check for any errors with
sudo docker compose logs -f - access and configure at http://<HOST_IP>:81/ http://<HOST_IP>:82
Compose file