Posted by SainSmart on

Looking for a compact, beginner-friendly 3D printer that kids can actually use without adult supervision? We spent time hands-on with the SainSmart PrintyGo mini 3D printer — a machine specifically designed for families, classrooms, and absolute beginners. In this full review we cover everything from unboxing to print quality, so you can decide whether it's the right buy for your household.

PrintyGo Mini 3D Printer: The Kid-Friendly Machine We Actually Tested

3.5
★★★½☆
out of 5 — Good value for the price, with some notable limitations

1. Unboxing & First Impressions

The PrintyGo arrives in a sturdy cardboard box with a generous foam insert that keeps every component safely in place during shipping. Inside you'll find the printer unit, a spool of filament, the power adapter, and a magnetic flexible print mat — everything needed to get started right away.

SainSmart PrintyGo unboxing, internal components and flexible print mat

Left: unboxing contents. Center: internal mechanics. Right: the branded magnetic print mat.

The printer itself is impressively compact — about the size of a large lunchbox — and the white plastic enclosure feels solid rather than cheap. Assembly literally consists of placing it on your desk and plugging it in. You won't be searching for a screwdriver.

The top panel opens on hinges to reveal the print head, Z-axis lead screw, and motion system. The build volume is modest, but it's well-suited to the small figurines and decorative objects the machine targets. The magnetic flexible mat with the PrintyGo logo is a nice touch — prints pop off easily once cooled.

2. Setup & First Boot

Powering on the PrintyGo for the first time triggers a guided setup wizard on the built-in touchscreen. The steps walk through language selection (note: Italian and several other languages are currently absent) and Wi-Fi connection so the device can check for firmware updates.

⚠️ Heads-Up After the firmware updates and the printer reboots, the setup wizard restarts from the beginning. You'll need to walk through the language and Wi-Fi steps a second time. It's a minor annoyance, but something to be aware of before handing the printer to a child.

The leveling process is well documented in the included quick-start guide, which uses clear diagrams to show the four-corner and center calibration steps on the touchscreen. Take your time here — an improperly leveled bed is the single biggest cause of first-layer failures on any FDM printer.

The detection system runs a brief self-test before each print session, checking axes and the filament path. The screen displays a friendly "Detection Completed ✓" confirmation when everything is in order — a genuinely useful feature for beginners who might not know when something is wrong.

3. Touchscreen UI & App Experience

The PrintyGo's standout feature is its child-mode interface: a colorful, game-like touchscreen UI with large icons, animated characters, and a pastel color scheme. Kids can browse pre-loaded models and launch prints without any prior 3D printing knowledge. A password-protected "exit child mode" option keeps parents in control of settings.

Pre-loaded models cover a solid variety of beginner-friendly objects. The "Benchy" calibration boat is included, along with several decorative prints. Each model card shows estimated print time and dimensions before you commit.

App Experience — Needs Improvement
  • The companion app QR code in the printer's menu leads to a Chinese-only website, requiring users to sideload an APK file. This is an unnecessary friction point for Western users.
  • The app has no model import functionality — you can only add custom .gcode or .stl files by plugging in a USB drive directly to the printer.
  • There are no slicing or customization options on either the app or the printer itself. What you see is what you get.

The settings menu accessible in "parent mode" exposes useful controls: nozzle temperature, filament change, filament break detection (a useful safety net), and Z-axis compensation. These are exactly the options a beginner needs, presented without overwhelming complexity.

4. Printing: Calibration, Speed & Results

We ran a standard Benchy calibration print to evaluate the PrintyGo's output quality. On the first attempt, the bed leveling was slightly off, causing poor first-layer adhesion. After re-running the leveling wizard, subsequent prints came out considerably better.

One convenient safety feature: opening the front transparent door automatically pauses the print. This prevents curious kids from touching the hot nozzle mid-print — a genuinely thoughtful design decision.

SainSmart PrintyGo Benchy 3D print results and model selection screen

The printed Benchy boats (left & center) and the on-screen model selection card (right).

Print Quality Assessment

The finished Benchy showed some expected imperfections in the first few layers and minor millimeter-scale misalignment along the hull edges — typical for a compact, consumer-grade printer at this price point. Overall layer adhesion was good, and the chimney and window details printed crisply. For decorative objects and fun prints, the output quality is more than satisfactory.

Real-World Print Speed

During testing, the print head was observed moving at approximately 100–150 mm/s. The product page advertises a maximum of 600 mm/s — a figure achievable only under ideal, non-standard conditions and not representative of everyday printing. This is a marketing commonplace in the industry, but worth knowing when setting expectations.

💡 Pro Tip: First Print Checklist
  • Run the bed leveling wizard at least twice before your first print.
  • Preheat the nozzle for 2–3 minutes before loading filament.
  • Let the first layer complete before walking away.
  • Remove prints only after the bed has cooled to room temperature.

5. Specs at a Glance

Specification Detail
Printer Type FDM (Fused Deposition Modeling)
Target Audience Kids, beginners, classrooms
UI Touchscreen with child-mode & parent-mode
Connectivity Wi-Fi, USB drive
Filament Compatibility PLA (1.75 mm)
Print Mat Magnetic flexible PEI-style mat
Filament Break Detection Yes
Auto-Pause on Door Open Yes
Advertised Max Speed 600 mm/s (real-world: ~100–150 mm/s)
Languages Supported English, Chinese + others (Italian not included)
Included Filament Yes (starter spool)
Power Supply Included adapter
Firmware OTA Updates Yes (via Wi-Fi)
Brand SainSmart (PrintyGo line)

6. Pros & Cons

✅ What We Liked
  • Excellent packaging — foam protection kept everything pristine.
  • Genuinely compact and fast to set up — no tools required.
  • Child-mode UI is colorful, approachable, and actually fun.
  • Auto-pause on door open is a real safety win for families.
  • Filament break detection prevents failed prints mid-run.
  • OTA firmware updates via Wi-Fi keep the software current.
  • Magnetic print mat makes removing finished prints effortless.
  • Solid print quality for decorative, non-precision objects.
  • Good value for the price in the kids' 3D printer category.
❌ Room for Improvement
  • App download process leads to a Chinese-only page — needs localization.
  • No model import via the app — USB drive only.
  • No customization or text-generation tools on the printer itself.
  • Setup wizard repeats after firmware update reboot.
  • Italian (and several other languages) not yet supported.
  • Advertised 600 mm/s speed is misleading; expect 100–150 mm/s in practice.
  • No slicer integration for adding your own models easily.

7. Final Verdict

Our Verdict: A Solid Starter — With Caveats

The SainSmart PrintyGo is a well-built, genuinely compact 3D printer that succeeds at its core mission: getting kids and absolute beginners printing within minutes. The child-mode touchscreen UI is a legitimate differentiator, and safety features like door-pause and filament detection show real product thoughtfulness.

Where it falls short is on the software side — the app onboarding experience needs significant localization work, and the lack of any model customization or import workflow via the app limits its long-term appeal for users who want to grow beyond pre-loaded prints.

For a first 3D printer for a child, or a low-stakes introduction to the hobby for a classroom or household, the PrintyGo punches above its weight. Just go in with calibrated expectations on speed and software.

3.5 / 5 Stars
Back to blog

Leave a comment

Please note, comments need to be approved before they are published.