Banana Sword 3D Print STL Download List

Lisa Ernst · 14.06.2026 · 3D Printing · 8 min

Looking for a banana sword STL download without digging through endless reposts? This guide collects the most useful banana sword, banana katana and banana knife 3D print pages in one practical list, then adds print-setting notes so you can pick the right file before wasting filament.

Source: Image source: Steve Hopson, Wikimedia Commons, CC BY-SA 2.5; cropped for web use.

Quick answer: best banana sword STL download pages

The safest way to download is to use the original model page whenever possible. Search aggregators are useful for discovery, but the creator page usually has the newest files, remix notes, license information and comments from people who already printed the model.

Source: Image source: Steve Hopson, Wikimedia Commons, CC BY-SA 2.5; cropped for web use.

The best banana sword models still look like a banana when closed: curved body, readable peel sections and a believable stem. That shape is also what makes tolerance and hinge design tricky.

Which download should you choose?

Choose the download based on what failed for other makers, not only by the thumbnail. A banana sword usually combines a curved outer shell, moving peel parts, magnets and a sliding or telescoping blade. That means tolerances matter more than on a simple decorative model.

Pick the compact sword if this is your first print

The smaller Printables-style banana sword is the easiest place to start because it uses less filament and gives you a quick tolerance test. If the hinge or blade binds on the small version, a larger version will probably need calibration before it prints cleanly.

Pick the remixes if hinges or blades keep failing

If your first attempt breaks at the blade or the hinge fuses shut, do not immediately reprint the same files. Look at the thicker-blade remix, the separated-blade remix and the thinner-hinge remix. These are exactly the kinds of community fixes that can save a print after the original design proves too tight for your machine.

Pick MakerWorld if you use Bambu Studio workflows

MakerWorld pages are often convenient when you want a prepared print profile, plate layout and slicer-ready settings. If you specifically need STL files for another slicer, open the files section before committing to the model and confirm that the formats match your workflow.

Source: Image source: Creative Tools, Wikimedia Commons, CC BY 2.0; cropped for web use.

A banana sword is mostly a fun visual print, so filament color matters. Yellow PLA for the peel, a darker stem color and a contrasting blade color usually make the result much clearer than printing everything in one material.

Recommended slicer settings for most banana sword props

Exact settings depend on the model, printer and filament, but these are sensible starting points for most FDM banana sword props:

• Material: PLA or PLA+ for easiest printing; PETG only if you already print PETG cleanly.
• Layer height: 0.20 mm for the first attempt; 0.16 mm if hinges or blade surfaces need cleaner movement.
• Walls: 2 to 3 walls for shells and blade parts.
• Infill: 15% to 20% is enough for display props; increase only if the handle feels weak.
• Supports: avoid supports inside moving mechanisms unless the creator specifically recommends them.
• Bed adhesion: use a clean bed and brim for tall, narrow blade parts.
• Calibration: check flow, elephant foot and first-layer squish before printing hinge-based models.

Source: Image source: Richardspa, Wikimedia Commons, CC0 1.0; cropped for web use.

Banana sword prints benefit from separate colors. If you do not have AMS or multi-material hardware, print parts separately and assemble them with magnets, glue or pins according to the model notes.

Magnet notes: do not buy before checking the exact model

Several banana sword designs use magnets, but the sizes are not universal. One long banana knife design describes 10 × 2 mm cylindrical magnets, while a display-stand remix mentions 6 × 3 mm magnets. Buying magnets first is a common mistake: open the chosen model page, read the bill of materials and then order the exact size.

For a clean closure, glue magnets only after a dry fit. Mark polarity before installing them. A wrong-polarity magnet can turn a nearly finished banana sword into a comedy object that refuses to close.

Source: Image source: MakerTobey, Wikimedia Commons, CC BY-SA 4.0; cropped for web use.

For print-in-place or sliding blade parts, the first layer decides a lot. Too much squish can weld thin moving gaps together; too little squish can cause blade sections to detach during long prints.

Common banana sword print failures

The blade sections are fused

This usually points to over-extrusion, too much first-layer squish or a model tolerance that is too tight for your printer. Try the separated-blade remix, reduce flow slightly after calibration or print one test section before printing the whole sword.

The peel hinges snap

Hinges snap when the material is brittle, the hinge is printed too tight or the part is forced before it is fully freed. Try a hinge remix, use a slightly warmer PLA profile for better layer bonding and move the hinge gently before final assembly.

The banana does not close

Check magnet polarity, glue thickness, elephant foot and whether any support scars are blocking the seam. A small burr on the inside can stop a clean closure even when the model looks fine from the outside.

Source: Image source: NicolasVenturini, Wikimedia Commons, CC BY-SA 4.0; cropped for web use.

Long thin blade pieces can fail late in the print. Keep speed realistic, avoid aggressive acceleration on tall parts and make sure the bed adhesion is stable before starting a multi-hour sword print.

Safety and event rules

A banana sword is a funny 3D printed prop, not a real tool or weapon. Keep the blade blunt, avoid hard tips and do not carry it in places where prop weapons are restricted. For conventions, schools, public transport or events, check the local prop rules before bringing any sword-shaped object.

If the model extends quickly or telescopes with force, test it at home and keep it away from eyes, faces and fragile objects. A harmless-looking print can still hurt someone if it is swung around.

Source: Image source: Svitlana Lozova, Wikimedia Commons, CC BY-SA 4.0; cropped for web use.

The better approach is to treat the first banana sword as a prototype. Print, test, adjust tolerances, then reprint only the weak parts instead of wasting another full set.

STL, 3MF or print profile: what should you download?

STL is the most universal file format for basic geometry, but it does not include slicer settings. 3MF can include more project data and is often more convenient for modern slicers. MakerWorld print profiles can be even faster when you use compatible Bambu Lab workflows, but they are less portable if you want to tweak everything in another slicer.

• Use STL when you want maximum slicer compatibility.
• Use 3MF when you want project layout, orientation and sometimes color or plate information.
• Use platform print profiles when you trust the creator profile and use a compatible printer workflow.

Source: Image source: Vitor.Ger, Wikimedia Commons, CC BY-SA 4.0; cropped for web use.

A banana sword may look simple, but it is closer to a mechanical toy than a static statue. Moving seams, magnet pockets and sliding blades make test prints worth the time.

Fast checklist before you print

1. Open the original creator page, not only an aggregator result.
2. Read the comments for tolerance problems and missing file notes.
3. Check whether the download is STL, 3MF or a platform-specific profile.
4. Confirm magnet size, glue points and assembly order.
5. Print a small moving section first if the model is print-in-place.
6. Keep the final prop blunt, safe and clearly costume-only.

Source: Image source: Jonathan Juursema, Wikimedia Commons, CC BY-SA 3.0; cropped for web use.

For more 3D printing topics and practical maker guides, you can also explore the main 33D project area at 33d.ch.

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