Bambu Lab A1 Mini
- Price
- $199
- Score
- 9.2/10
- Wins
- 4/5
Bambu Lab A1 Mini vs Kingroon KP3S Pro V2
- The Bambu Lab A1 Mini wins, 9.2 vs 7.2 out of 10.
- KP3S Pro V2 prints 1.4× the volume (200³ ÷ 180³ = 1.37) and costs $40 ($199 − $159) less.
- A1 Mini is faster, 500 vs 250 mm/s.
- Pick the A1 Mini if your prints fit in 18 cm.
Specs and US prices from the PrintPick catalog, checked 2026-09-29. Scores are PrintPick ratings out of 10.
Kingroon KP3S Pro V2
- Price
- $159
- Score
- 7.2/10
- Wins
- 0/5
The verdict
Buy the A1 Mini.
9.2/10 vs KP3S Pro V2's 7.2/10, and it wins 4 of 5 categories. If your prints fit in 180mm, stop reading and buy this. It's $199 with Bambu reliability baked in. The only real decision is whether to add an AMS Lite now or later.
Specs, side by side
Teal wins the row.
A1 MiniBambu Lab · FDM
vsKP3S Pro V2Kingroon · FDM
| A1 Mini | Spec | KP3S Pro V2 |
|---|---|---|
| $199 | Price | $159 (wins) |
| 5.8 L | Build volume | 8.0 L (wins) |
| 500 mm/s (wins) | Top speed | 250 mm/s |
| 0.05 mm | Finest layer | 0.05 mm |
| 5.5 kg | Weight | 6.5 kg |
Features
| A1 Mini | Feature | KP3S Pro V2 |
|---|---|---|
| Yes | Auto bed leveling | Yes |
| Yes | WiFi | No |
| Yes | Camera | No |
| Yes | Compact footprint | No |
| Yes | All-metal hotend | No |
| No | Linear rails | Yes |
| No | Direct drive | Yes |
| No | PEI build plate | Yes |
Value math
$199 ÷ 5.8 L and $159 ÷ 8.0 L. Lower is more printer for the money.
| A1 Mini | Spec | KP3S Pro V2 |
|---|---|---|
| $34.12 | $ per liter | $19.88 (wins) |
| $0.40 (wins) | $ per mm/s | $0.64 |
Scores out of 10
| A1 Mini | Spec | KP3S Pro V2 |
|---|---|---|
| 10 | Value | 10 |
| 10 (wins) | Beginner Friendliness | 7 |
| 8 (wins) | Print Quality | 7 |
| 9 (wins) | Speed | 5 |
| 9 (wins) | Reliability | 7 |
| 9.2 (wins) | Overall | 7.2 |
Build space, front view, to one scale
- 180 × 180 × 180 mm
- 200 × 200 × 200 mm
What owners say
For $199, this thing is a miracle. Print quality rivals machines 3x the price.
A1 Mini owner, r/BambuLabThe Mini is my most-used printer. It just works, every single time.
A1 Mini owner, Thomas Sanladerer (YouTube)Linear rails at $159 is genuinely wild. This is the budget printer the community sleeps on.
KP3S Pro V2 owner, r/3Dprinting
Pros & Cons
A1 Mini
- +Full Bambu ecosystem at $199, not a cut-down version
- +Footprint smaller than a sheet of A4 paper
- +Prints reliably straight from the box, no tinkering required
- −180mm cube is genuinely limiting for anything beyond small parts
- −No enclosure means ABS is a non-starter
KP3S Pro V2
- +Linear rails at $159 is genuinely unusual: this feature normally costs $300+
- +Direct drive handles TPU without the feeding nightmares of a Bowden setup
- +Compact footprint fits on a shelf without dedicating a full desk to it
- −200mm cube limits what you can print in one go
- −Kingroon's community is small: if something breaks, you're mostly solving it alone
Buy these with it
A printer does nothing without these. Grab them in the same order.
- ELEGOO PLA filament, 1kgThe easy filament to start on. Prints at low temperatures and warps less.
- ELEGOO PETG filament, 1kgTougher and more heat tolerant than PLA, for parts that get handled or sit in the sun.
- SUNLU filament dryer S1 PlusWet filament causes stringing and rough surfaces. A dryer fixes that before you blame the printer.
Frequently Asked Questions
Is the Bambu Lab A1 Mini better than the Kingroon KP3S Pro V2?
By the numbers, the Bambu Lab A1 Mini scores higher (9.2/10). But "better" depends on your use case, the Kingroon KP3S Pro V2 may be the smarter buy if you need budget.
Which is better for beginners, Bambu Lab A1 Mini or Kingroon KP3S Pro V2?
The Bambu Lab A1 Mini is more beginner-friendly (10/10 vs 7/10) with easier setup and a gentler learning curve.
Is the Bambu Lab A1 Mini worth $40 more than the Kingroon KP3S Pro V2?
The Bambu Lab A1 Mini scores higher overall (9.2/10 vs 7.2/10). The extra $40 gets you full bambu ecosystem at $199, not a cut-down version.
What's the main difference between Bambu Lab A1 Mini and Kingroon KP3S Pro V2?
Build volume (180x180x180mm vs 200x200x200mm) and print speed (500 vs 250 mm/s). The Bambu Lab A1 Mini is best for beginners; the Kingroon KP3S Pro V2 targets budget.