Buying Guide
Best Multi-Color 3D Printing Setup for 2026
Multi-color printing crossed over from "science fair trick" to "just how modern printers work" the moment Bambu shipped the AMS — a four-spool unit that swaps filaments automatically mid-print. No more pausing at layer 47 with tweezers. But the ecosystem has four boxes with confusingly similar names, and buying the wrong pairing is this niche's classic $300 mistake. Here's the map, plus the two honest costs nobody's unboxing video mentions.
The picks
Bambu Lab A1
The A1 Mini's bigger sibling: same hands-off reliability, full 256mm bed.
$320-400 · Amazon return policy applies
Bambu Lab AMS lite
The affordable open-spool multi-color system for the A1 series.
$70-130 · Amazon return policy applies
Bambu Lab AMS
Automatic 4-spool multi-color and multi-material for Bambu printers.
$300-350 · Amazon return policy applies
Bambu Lab P1S Editor's Pick
Enclosed, fast CoreXY that prints ABS and color without the fuss.
$550-700 · Amazon return policy applies
The one rule: match the AMS to the printer family
The AMS lite works with the open-frame A1 series (A1 and A1 Mini). The full AMS works with the enclosed P1/X1 series. They are not interchangeable, and this pairing rule decides your whole build:
The budget path — A1 + AMS lite (~$450–500 total). This is the value story of the decade in this hobby. The A1 is a genuinely excellent printer alone — 256mm bed, Bambu's hands-off calibration and reliability — and the AMS lite adds four-color capability for about a hundred bucks. Open-spool design, easy loading, and it just works. The trade-offs: no enclosure (so PLA/PETG territory, not ABS), and the lite sits beside the printer looking a bit like lab equipment. For toys, signage, logos, minis, and gifts — the stuff multi-color is actually *for* — this is the setup I'd tell most people to buy.
The enclosed path — P1S + AMS (~$900–1,000 total). The AMS proper stacks on top of the P1S, keeps spools in a closed, dust-resistant box, and the P1S's enclosure unlocks engineering materials alongside the color party. This is the pick if multi-color is *part* of a bigger ambition — functional parts, ABS/ASA, faster prints, a machine that runs daily. It's also simply the more polished object: quieter spool handling, humidity-friendlier storage, tidier bench.
The two costs in the fine print
Purge waste. Every color change flushes the old color out of the nozzle — the printer literally poops a blob of mixed filament into a chute, per swap. A many-color, many-layer print can spend 20–40% of its filament on purge. You can tune it down (purge into infill, sequence colors smartly, group color changes by layer), but budget filament accordingly and don't design fifteen-color gradients casually.
Time. Each swap takes real seconds, hundreds of times. A 6-hour single-color print can become a 10-hour four-color print. Fine for overnight; worth knowing before you promise someone a same-day rainbow.
Also, the compatibility asterisk: TPU doesn't feed reliably through either AMS (too floppy) — flexible filament stays a single-spool, direct-feed job.
Bottom line
Most people: A1 + AMS lite, spend the savings on filament, and enjoy the least-frustrating multi-color experience on the market. Building a serious daily-driver shop or need ABS: P1S + AMS. Either way you're in the only ecosystem where multi-color is genuinely push-button right now — just respect the purge tax and keep the TPU out of the changer.