Free 
Objects
Круглые номерки для 3D-печати: STL-файлы
Ну, смотри, набрали тут кучу моделей для круглых номерков. И для настольных игр, и для ключей, и просто таблички какие-нибудь. В основном, конечно, всё бесплатно - качай и печатай. Кстати, вариантов дизайна хватает, от минималистичных цифр до всяких украшений по краю. В общем, если тебе нужно что-то промаркировать или украсить - тут точно найдётся подходящий STL.
This collection is written in Russian; the search itself works in any language.
Free 

Ultimate Custom Key Covers/ Key Cases - Round/ Octagon With Letter/ Number/ Custom Writing (with project files)
Free 

Large House Numbers and Letters
Free 

Round ventilation system Ø100мм
Free 

Dice
Free 

Keychain Number Fob (Round - 0-99)
Free 

Balloon Numbers 0-9|Magnet,Stand,Keychain Versions
Free 

Kiwi the Chibi Bird – Round and ridiculously cute
Free
25mm calibration cube with empty top
Free 

Round Pillbox with Lid 80mm with Numbers Compartments
Free 

Numbers 0-9
Free 

Apache 1800 9mm Ammo Case Insert - 300 Round Capacity
Free 

Catan Robber
Free 

50mm Round Number 1-20
Free 

House numbers - čísla popisné
Free 

Round Filament Storage Box
Free 

Rounding Hill for Elementary School Students
Free 

Emergency Numbers Around The World
Free 

Lettere, numeri, simboli
Free 

Round Containers with Screwtop Lid
Free 

Customizable round number keychain (OpenSCAD)
Free 

rounded keychains with numbers
Free 

Números Residenciais Modernos • Fixação em Parede
Free 

Nice Round Bee
Free 

45 ACP Bullet 6 Sided Dice - d6
Free 

Rounded Numbers for Catan - Style 2
Free 

3D Printable Digits with Legs 0 to 9 Set
Free 

round jar with lid (with thread)
Free
Submerged clock
Free 

Rounded Numbers for Catan - Style 1
Free 

Keycaps Fidget Alphabet, Numbers, and Glyphs
Free 

Round Tree - Wall Decor
Free 

Numbered key covers
Free 

non-rounded keychains with numbers
Free 

Mikey mouse numbers 1-10 NO AMS-SET A1/ALL PRINTER
Free 

Reloading blocks various sizes
Free 

Numbered Miniatures with Modular Enemy Type 25mm Base
Free 

Rounded Numbers for Catan - Style 3
Free 

Beautiful ornamental birthday numbers
Free 

GAU-8 Dummy Round 30mm
Free 

Hidden Objective Marker
Free 

Rounded Numbers for Catan - Style 4
Free 

8 INCH HOUSE NUMBERS
Free 

Round Robin Rocket
Free 

556-223 Squared
Free 

Parametric Rounded D6 — Numbers / Roman / Letters (OpenSCAD)
Free 

Articulated Numbers 0 to 9 (Part 3)
Free 

Anti-aircraft round 11CM
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