
Undertale 3D Models: STL Figures, Masks, Keychains
This collection gathers Undertale-themed 3D models prepared as STL files for 3D printing: character figures, masks, keychains and small heart icons. It is useful when you want a recognizable game item that fits a home printer rather than a large display piece. The mix ranges from simple flat shapes to multi-part figures, so the amount of work depends on what you pick. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
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Auswahlregeln: Polyzon-Redaktion · Text aktualisiert: 13.10.2026
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Alle Modelle dieser Sammlung

Deltarune Tenna Figure (No AMS required)

Undertale - Sans Keychain
Undyne | Undertale

Undertale Icon Heart

DELTARUNE/UNDERTALE/DONT FOGET CONNECTED locket

Undertale dog pendant
Sans Mask from Undertale

Undertale Mirror Message

Undertale Soul / Heart / Icon

Undertale - Toriel
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Video game MX keycaps

Undertale Buttons

Sans Undertale
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Stylized Skull Mask

Asriel Dreemurr (Undertale)

Undertales Flowey The Flower!

Undertale Papyrus Keychain
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Sans Mask

Undertale dog pendand

Undertale Diorama

Undertale Overworld Sprites
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undertale umbrella statue

Undertale dual tone keychains
![Undertale FIGHT Button [Pixel Accurate]](https://cache.polyzon.org/api/img?url=https%3A%2F%2Fmakerworld.bblmw.com%2Fmakerworld%2Fmodel%2FDSM00000000207258%2Fdesign%2F2024-02-26_f1e80f0cc9a68.jpg&w=300)
Undertale FIGHT Button [Pixel Accurate]

Annoying Dog(Undertale/Deltarune)
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UNDERTALE DELTARUNE HEART BATH BOMB SOLID SOAP PRESS MOLD

UNDERTALE Heart Locket Neclace

Mr. (Ant) Tenna Deltarune

Napstablook - Undertale
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undertale flowey the flower

UNDERTALE - Chara's Real Knife

"Despite everything, it's still you." - Undertale

Papyrus - Undertale
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Dream Sans Undertale diorama
![Undertale Mercy Button [Pixel Accurate]](https://cache.polyzon.org/api/img?url=https%3A%2F%2Fmedia.printables.com%2Fmedia%2Fprints%2F750224%2Fimages%2F5854159_ad41b12a-f719-4fdb-bc19-1977a3499695_7ce09080-2b58-409f-8a63-cc631f906d82%2F20240203_223854.jpg&w=300)
Undertale Mercy Button [Pixel Accurate]

Cursed Spamton sculpture

Undertale - Flowey Double-Sided Figure
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Annoying dog toby fox undertale enamel pin / magnet

Ceroba's Mask From Undertale Yellow

Asgore's Trident

Undertale Soul Keychain
Mettaton | Undertale

SANS SKELETON - UNDERTALE - WALL ART

Sans Clicker Fidget - Undertale
«Undertale 3D Models: STL Figures, Masks, Keychains»
The most common group is character models — full figures, busts and stylized heads based on the game's cast. Alongside them sit masks, which are usually hollow shells printed in several pieces, and small accessories such as keychains, pendants and buttons that use little material. A third group covers flat or near-flat items: heart and soul icons, wall plaques and message-style props, plus a few Deltarune and crossover pieces such as keycaps.
When choosing, open the author's model page and read what is actually stated there: overall size and scale, how many parts the model is split into, whether the orientation requires supports, and which material and layer height the author used. For masks and figures, check wall thickness and whether the model is meant to be glued or slotted together. For keychains and pendants, look at the loop or hole diameter so a ring or cord passes through after printing.
To widen or narrow the results, try synonyms and related terms: character names, "mask", "keychain", "pendant", "bust", "figurine", "heart", "soul", "icon", "pixel", "sprite", "charm", "keycap". Related searches include Deltarune, indie RPG characters, retro game pixel art, and low-poly game props. If you want fewer parts, filter toward flat or single-piece items; if you want a display piece, search for multi-part figures instead.
Häufige Fragen
What kinds of Undertale models are usually available for 3D printing?
Do Undertale masks need supports when printed?
What should I check before printing a character figure?
How can I find more models on this topic?
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