1. Choose printers for uptime, not features
Pick one or two printer models and stick to them. Fewer models means fewer slicer profiles, fewer spare parts and plates that can go to any free printer. Enclosed printers (P1S, X1C, CORE One, K1C) handle ABS and ASA; open bed-slingers are fine for PLA and PETG.
Count on spare nozzles, build plates and a few hotend parts per printer. A printer waiting for a part earns nothing.
2. Power, heat and air
- A printer heating its bed draws far more than when it prints; avoid starting many at once on one circuit.
- Several printers warm a room noticeably. Plan ventilation, especially for ABS and ASA.
- Keep filament dry: a sealed box or the AMS with fresh desiccant.
3. Network
Put printers on a wired or stable Wi-Fi network and give each a fixed IP address with a DHCP reservation in your router. Farm software then finds them every time. Keep printers off the public internet; a gateway that connects out is enough for remote access.
4. Slice once per printer model
For every product, keep a tested sliced file per printer model: plate layout, material and supports decided once. This is what Farmit calls a recipe. When an order comes in, nobody has to open the slicer.
5. A daily workflow that scales
- 1Orders and low stock decide what to print.
- 2The queue assigns plates to compatible, idle printers.
- 3After each print, remove the part, check it, confirm the bed is clear.
- 4Good parts go to stock; orders ship when complete.
6. Know your numbers
Track print hours and failures per printer, grams per product and how long orders wait. Utilization tells you when to buy the next printer; failure rate tells you which one to fix first.
Questions
How many printers can one person run?
It depends mostly on print length. With prepared files and a queue, the work left for a person is removing and checking parts, so long prints let one person look after many more printers than short ones.
Do I need a Raspberry Pi?
Only if the computer that connects your printers would otherwise be switched off. A Raspberry Pi uses 3 to 5 W and stays on; an always-on PC works too.