Bambu Lab A1: a $399 printer that makes multi-color 3D printing feel like an appliance

Bambu Lab announced the A1 in December 2023, several months after its $299 A1 Mini, as a full-size 256 x 256 x 256mm Cartesian printer priced at $399 alone or $559 in a combo with the four-spool AMS Lite multi-color system. The idea was to take the automation that had made Bambu's enclosed X1 and P1 printers fast and reliable — automatic calibration, sensors, cloud software — and put it in an open, affordable machine aimed at people buying their first 3D printer.

The A1 auto-levels its bed using the nozzle as the probe, and an eddy-current sensor measures extrusion pressure to compensate flow in real time. The nozzle swaps tool-free via clip and magnet; a runout sensor and odometer watch the filament; a touchscreen, Wi-Fi and the Handy app handle control, and error codes become QR links to Bambu's wiki. The AMS Lite feeds four spools through individual tubes, reads RFID tags to identify filament, and changes color automatically — four-color printing from the $559 combo. The light-grey, rounded body looked like a consumer gadget, not a hobby frame.

Reviews treated the launch as a category event. Tom's Hardware needed 'no settings and no need to make adjustments' after auto-leveling, called the A1 the fastest Cartesian printer it had reviewed and 'a delight to use,' and found it desk-quiet. TechAdvisor's verdict: 'absolutely superb' and '3D printing made simple,' with the best print quality the reviewer had seen from any bed-slinger and a five-minute calibration before multi-hour prints. Both saw the real novelty in the optional AMS Lite — four-color printing at $559, about half the price of Bambu's enclosed color machines.