From the shop floor
Tutorials, workflow breakdowns, and product updates for print farm operators.
Spoolman without the server: what to use if you don't want to self-host
October 10, 2026 · Kartzy Studio
Spoolman is free and good. It also needs a machine that stays on. Here's who should keep it, where it stops, and how to bring your spools with you.
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Your filament dryer won't kill your spool labels. Your fingernail will.
August 18, 2026 · Kartzy Studio
Direct thermal labels are supposed to fail at 70 °C. Mine spent eight hours at 81 °C and came out perfect — then blackened instantly under a fingernail.
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The AMS never counted your filament
August 17, 2026 · Kartzy Studio
The AMS remaining percentage isn't a counter — it's a spool-diameter guess. Here's what Bambu really reports, and where per-slot grams actually live.
Read article →The metric that got you here will quietly stop working
July 21, 2026 · Kartzy Studio
Cost per item is the right number when you're starting out. Here's how to tell when you've outgrown it — with real numbers from a real client quote.
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