Build It. Customize It. Print It.

Explore STLPlayground 3D Model Builders

Browse our growing collection of customizable 3D model builders. Personalize dimensions, text, colors, graphics, layouts, and other options directly in your browser, then generate a custom STL for your next 3D print.

Customizable 3D Models

Find Your Next 3D Printing Project

Choose a category to narrow the collection or browse every STLPlayground builder. Each builder gives you interactive controls to create a model customized for your project.

Category
3D printed photo lithophane Christmas ornaments hanging on a decorated tree, featuring glowing globe and disk designs with mountain landscapes, a dog portrait, snowy forests, and a holiday cabin.
Featured New

Photo Lithophane Ornament Builder

Create illuminated photo lithophane globe ornaments with one to four photos, framed or wrapped layouts, adjustable lithophane quality, screw-on cap, backlight preview…

Next-Gen
Three 3D-printed holiday ornaments: a red snowflake cutout bauble, ivory paw-print medallion with red ribbon, and green Christmas tree silhouette with hanging loops.
Featured New

Personalized Holiday Ornament Builder

Create customizable double-sided holiday ornaments in classic bauble, star, Christmas tree, snowflake, with text, emoji, SmartSVG artwork, integrated hanging loops, and optional…

Next-Gen
Colorful 3D printed emoji ornaments featuring Santa, a Halloween pumpkin, ghost, Christmas tree, turkey, heart, gift, shamrock, and birthday cake created with the Custom SVG & Emoji Ornament Builder.
Featured New

Custom SVG & Emoji Ornament Builder

Create personalized 3D printable ornaments using emojis or custom SVG artwork. Design Christmas, Halloween, Thanksgiving, birthday, and other holiday decorations with customizable…

Next-Gen
Custom silhouette art maker showing hollow outline and filled couple silhouettes on personalized “Forever Together” stands
Featured

Silhouette Art Maker With Stand

Create printable solid or detailed-outline silhouette art from Emoji or SVG artwork, with a personalized display stand or an integrated cake-topper spike.

Next-Gen
Custom 3D printable tabletop peg drop game created with STL Playground
Featured

Tabletop Peg Drop Game Builder

Design a custom 3D printable tabletop peg drop game with adjustable board dimensions, automatic peg layouts, custom bin labels, text, emoji, artwork,…

Next-Gen
Featured

Credit Card Tap Wand Builder

Design a custom tap-to-pay wand that holds a standard credit or debit card. Choose sculpted topper shapes or upload your own SVG,…

Next-Gen
Custom 3D printed nametag and charm
Featured Popular

Nametag / Text Builder

Design a personalized nametag above and export a ready-to-print STL, 3MF or OBJ. Use the following guidelines to get crisp lettering, durable…

Next-Gen
Terracotta 3D-printed palm-press cookie stamp with floral relief; optional separately printed handle not pictured.
New

Cookie Stamp Builder

Create personalized cookie stamps with correctly mirrored printable lettering, a readable on-screen preview, and optional enhanced SVG or emoji detail.

Next-Gen
Realistic clear 3D-printer filament spool wound with gray filament, with a yellow printed rim clip retaining the filament end and a matching loose clip on a wooden workbench.
New Popular

Filament Spool-Rim Clip Builder

Create a printable spool-rim filament clip with optional opposed retaining lips, inner grip ribs, three outer-spine styles and adjustable filament-end retention.

Next-Gen
Two terracotta 3D-printed hollow funnels of different sizes with reinforced rims, tapered cones and straight outlet spouts on a wooden maker workbench.
New

Custom Funnel Builder

Design a 3D printable funnel with a smooth oval strap loop flowing from its reinforced rim, plus solid or hanging-hole tab options.

Next-Gen
Terracotta 3D-printed soap dish with continuous raised rim, interior support ribs and perforated drainage floor holding a cream soap bar beside a white bathroom sink.
New

Custom Ribbed Soap Dish Builder

Build a 3D printable soap dish with configurable round holes or drainage slots, foot-safe perforations, optional corner rubber pad seats, and personalized…

Next-Gen
Three personalized FDM-printed magnetic employee name badges for operations, guest services and care staff, with a separate commercial magnetic fastener and flat badge back on a wooden workbench.
New

Custom Magnetic Name Badge Builder

Design a custom 3D printable employee name badge for peel-and-stick commercial magnetic badge holders, with personalized text, logos, and a flat rear…

Next-Gen
Custom 3D printed coffee coaster with “Morning Coffee” text and coffee cup artwork displayed beside a mug on a wooden table

Custom Coaster Builder

Create an exact-size 3D printable drink coaster with round, rounded-square, or hexagonal geometry, an optional condensation rim, and personalized text, emoji, or…

Next-Gen
Custom 3D printed pegboard hooks holding a cable, tape measure, scissors, and hand tools on a workshop pegboard

Pegboard Hook Builder

Create a custom printable pegboard hook with independent peg fit, rounded or angular hook geometry, and print-ready orientation.

Next-Gen
Custom 3D printed hose adapters for shop vac hoses and garden hose connections displayed on a workbench

Hose Adapter Builder

Design a custom 3D printable hose or pipe adapter with exact diameters, fit clearance, wall thickness, threaded shaft length, and an optional…

Next-Gen
Custom 3D printable furniture leveling wedge with adjustable taper and integrated grip texture

Furniture Leveling Wedge Builder

Create a custom tapered leveling wedge sized to the exact gap under furniture, fixtures, cabinets, or workshop equipment.

Next-Gen

Cheer Wand

Create a Custom 3D Printable Cheer Wand or Handheld Sign The Custom Cheer Wand & Handheld Sign Builder gives you an easy…

Next-Gen

Pumpkin Face & Decorator Builder

Design your own 3D printable pumpkin decorations without modeling software. Mix and match eyes, noses, mouths, surface accessories, and dimensional 3D toppers,…

Next-Gen
Custom Logo Medallion Builder

Sports Medallion

Custom medallion builder with text, SVG/emoji content, contoured or shaped bases, glow layers, and necklace bail.

Next-Gen
Custom Spirit Stick Builder

Custom Spirit Stick Builder

Create a fully customized 3D printable spirit stick for cheer, pep rallies, school events, teams, and competitions. This builder makes it easy…

Next-Gen
Customizable 3D printed Luggage Tags

Luggage Nametag

Create a fully customized 3D printable luggage tag for suitcases, backpacks, sports bags, equipment cases, and more. This interactive builder gives you…

Next-Gen
3D printed builder for mini cornhole tabletop

Custom Mini Cornhole Builder

Design your own custom 3D printable mini cornhole set with this interactive builder. Personalize the boards with names, logos, emojis, or SVG…

Next-Gen

Custom Gravity Fidget Builder

Design your own 3D printable gravity fidget with this fully customizable builder. Adjust the shape, number of rings, drop behavior, and overall…

Classic
Popular

Custom Desk Name Plate Builder

Create fully customized 3D printable desk name plates using this interactive builder. Personalize the name, job title, fonts, and even add emojis…

Next-Gen

3D Printed Cookie Cutter Creator

Create custom 3D printable cookie cutters from text, shapes, or designs using this easy-to-use online builder. Customize size, depth, and edge thickness…

Next-Gen
multi-purpose 3d printable hook builder

Hook Builder

The tool lets you parametrize key dimensions so your Fence Hook 3D Print locks in securely and carries the load you need.Choose…

Next-Gen

3D Text Builder

Use the 3D Text Designer above to lay out words and emojis flat on the build plate. Export a ready-to-print STL or…

Next-Gen
Popular

Drawer Organizer

Design custom modular organizer boxes with adjustable compartments for drawers, tools, games, hardware, crafts, and more. This free online 3D builder allows…

Next-Gen
Popular

Container Builder

Use the Container Builder above to create a 3D printed box STL (with or without a lid/lip) or a textured basket. Export…

Next-Gen

Designed Around You

Don’t Just Download a Model. Build the Model You Need.

STLPlayground builders are designed around customization. Depending on the project, you can adjust dimensions, layouts, text, emojis, SVG artwork, colors, compartments, mounting options, print configurations, and more.

Instead of searching through dozens of STL files hoping to find something close to what you need, start with a builder and create a model specifically for your project.

Have Your Own Logo or Artwork?

Use the STLPlayground Image to SVG Converter to turn PNG, JPG, or WebP artwork into clean vector geometry for use in compatible 3D model builders.

Why Use an STLPlayground Builder?

Our browser-based builders make it easier to create personalized STL files without starting from scratch in traditional CAD software.

Customize the Design

Change the options that matter for your project instead of settling for a fixed STL file.

Preview as You Build

See your customized model take shape while you adjust the available builder controls.

Generate Your STL

Finish your design and create the STL file for your preferred slicing and 3D printing workflow.

More Builders Are on the Way

STLPlayground is continually expanding its collection of customizable 3D model builders and browser-based design utilities. Browse the collection today and check back for new ways to create, customize, and print.