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Beginner’s Guide

From File to Finished Print 🎓

New to downloaded 3D files? Follow these steps in order. The guide takes about ten minutes to read.

In This Guide 1. Understand the File Types 2. Install Your Printer Software 3. Complete Your First Print 4. Send the Job to Your Printer 5. Multi-Part and Multi-Color Models 6. Safe Starter Settings 7. Quick Troubleshooting 8. Beginner Glossary
Step 1

Understand the File Types

Each model in the library is stored in a Google Drive folder. Inside, you may find:

📷 Photo (.jpg / .png)A preview showing how the product should look. It is not a printable file.
🧊 .STLThe model geometry. It opens in virtually any 3D printing slicer, where you choose colors and settings.
📦 .3MFA project file that may include multiple parts, colors and organized build plates. Use it when available.
🗜️ .ZIP / .RARA compressed folder. Download and extract it before opening the included files.
💡 A phone is useful for previewing photos. Open printable .STL and .3MF files in slicing software on a computer. Using the member area on your computer also makes downloading easier.
Step 2

Install Your Printer Software

Your printer does not print an .STL or .3MF directly. First, a slicer converts the model into layers and creates printer instructions. These options are free:

Bambu Lab (A1, A1 mini, P1S, X1...)➜ Bambu Studio. It preserves organized build plates and color assignments in many .3MF projects.
Creality (Ender, K1, K2, Hi...)➜ Creality Print or OrcaSlicer.
Elegoo, Anycubic, Prusa, Sovol and others➜ OrcaSlicer supports many printers, or use your manufacturer’s software.
Most printers➜ UltiMaker Cura also works, although some .3MF projects may not import every part correctly.

The first time you open the slicer, select your exact printer model so the correct machine settings are loaded.

Step 3

Your First Print, Step by Step

  1. Download the .STL or .3MF from the model folder on your computer. Extract compressed .ZIP or .RAR files first.
  2. Open it in the slicer: drag the file into the program or use File → Open / Import. For a .3MF, choose Open Project when available.
  3. Choose filament: PLA is usually the easiest material for a first print.
  4. Check orientation: place the flattest side on the build plate. Use Lay on Face or the equivalent tool if needed.
  5. Supports: enable them only when a model has significant overhangs. Many articulated and sensory models are designed to print without supports.
  6. Slice: the software estimates print time and filament use. Enter those figures in the Calculator to estimate cost.
  7. Send the job to your printer using the instructions in Step 4.
  8. Watch the first layer. Good bed adhesion makes the rest of the print much more likely to succeed.
🧪 Start with a small product, such as a keychain or Christmas ornament. It prints quickly and lets you learn without using much filament.
Step 4

Send the Job to Your Printer

Bambu Lab (A1, A1 mini, P1S, X1)
  1. In Bambu Studio, sign in with the same Bambu account used by your printer.
  2. Choose Slice Plate, review the preview, then select Print Plate to send the job over the network.
  3. Without Wi-Fi, export the sliced G-code to a microSD card and insert it into the printer.
  4. With an AMS, assign the desired filament to each color before printing.
Creality (Ender, K1, K2, Hi)
  1. In Creality Print, select your printer model, slice the file and choose Print.
  2. For K1, K2 and Wi-Fi-enabled models, send the job over the local network.
  3. For Ender and other offline models, export G-code to an SD card or USB drive, then select the file on the printer.
  4. Creality Cloud: .STL files are often the most reliable. If a .3MF imports with missing parts, try opening it in desktop slicing software.
Other Brands (Elegoo, Anycubic, Prusa, Sovol...)
  1. In OrcaSlicer or your manufacturer’s software, select your exact printer model.
  2. Slice the model and choose Export G-code.
  3. Save it to an SD card or USB drive, insert it into the printer and select the file on the screen.
Step 5

Multi-Part and Multi-Color Models

Many models, including holiday characters, come in multiple parts that you assemble or glue after printing.

  • Build plates: a .3MF project may divide parts across Plate 1, Plate 2 and so on. Check every plate before printing.
  • Object list: use the slicer’s object panel to confirm that every part was imported.
  • Single-color printer: group and print parts by color, then press-fit or glue them together.
  • Multi-color system such as Bambu AMS or Creality CFS: assign a filament color to each part before slicing.
  • Assembly: cyanoacrylate super glue generally works well for joining PLA parts.
Step 6

Safe Starter Settings

Your slicer’s standard profile is usually a good starting point. For a typical PLA print:

FilamentPLA
Layer Height0.20 mm
Infill15%
Walls2 to 3
SupportsOnly when needed
Bed AdhesionAdd a brim for tall or narrow parts
⚠️ Articulated and print-in-place models: avoid major scale changes and do not add supports unless the designer instructs you to. Altering clearances can fuse the joints.
Step 7

Quick Troubleshooting

The product will not stick to the bedClean the build plate with isopropyl alcohol, run bed leveling and add a brim when appropriate.
Only one part of the model openedCheck the project’s other build plates and the slicer’s object list. Try importing individual .STL files when available.
The model is larger than my build plateRotate the model or reduce its scale, such as to 80%. Avoid scaling articulated models unless you understand the clearance requirements.
Plastic strings appear between partsStringing is often caused by wet filament or excessive nozzle temperature. Dry the filament and tune temperature and retraction for your material.
An articulated joint is stuckGently work the joint after the print cools enough to handle. Confirm that supports were not generated inside the joint.
The file will not openExtract compressed files first. For .3MF, choose Open Project. If needed, try another compatible desktop slicer.
Step 8

Beginner Glossary

Slicer
Software that converts a 3D model into layers and printer instructions.
Slice
To calculate layers, print time and filament use from a 3D model.
G-code
The final machine-instruction file understood by the printer.
Build Plate
Each virtual print bed inside a project, especially a .3MF.
Support
A temporary structure that holds overhanging areas during printing and is removed afterward.
Infill
The internal structure of a print. More infill can increase strength, material use and print time.
Brim
A thin outline attached to the first layer that can improve bed adhesion.
Print-in-Place
An articulated model designed to come off the printer already assembled.

Need Help With a Step?

Send support the model name, printer model and a clear description or photo of the issue.

Read Before You Start

Welcome to Atelier 3D 👋

A one-minute overview of exactly what is included.

What Is Atelier 3D?

Atelier 3D is a library of ready-to-use STL files organized by category. We did not create the models. We collected existing files—many from open repositories such as MakerWorld, Printables and Thingiverse—and handled the time-consuming work of finding, sorting and organizing them into folders so you can get straight to printing.

✅ What You Receive

  • Thousands of files ready to slice
  • Everything organized by folder and category
  • Christmas models collected in one folder
  • A cost calculator and sales dashboard
  • Resources for pricing, product photos and selling

❌ What It Is Not

  • These are not new or original models created by us
  • This is not an exclusive release of unique products
  • The same model may be available on other websites

💡 Why It Helps

  • Save hours of searching for models one at a time
  • Find everything in one place, organized by category
  • Use practical tools to estimate prices and track sales
What You Already Have

How Much Time This Can Save

90,000+files organized by category
27categories ready to browse
400+Christmas models in one folder
6resources for pricing, photos and selling

Finding, downloading, testing and organizing this many files on your own can take weeks of research across multiple websites. Here, each category is already grouped for you. You also get tools those repositories do not provide: a product profit calculator, Christmas production calendar, a list of 30 products with suggested pricing and a sales dashboard.

Your First Win Today

Do This Within the Next 24 Hours

  1. Open Christmas and choose three small products, such as an ornament, star or tree decoration.
  2. Print the first one, then enter its weight and print time in the Calculator.
  3. Use the Product Photo Guide, then post your photo on Instagram, Facebook Marketplace or Etsy.

The best way to get value from the library is to print and publish your first product quickly. Progress comes from making, testing and listing products—not just browsing folders.

Need Help?

Contact Us Before Giving Up

Couldn’t find a model, open a link or decide how to print or price something? Contact support and we’ll help you find the right file and get started.

💬 CONTACT SUPPORT

Your seven-day guarantee remains unchanged. We simply ask for the opportunity to help first.

How to Use It

Your Step-by-Step Process

  1. STL Files: choose a category and open the files in Google Drive.
  2. Slice and test: print one unit of each model before listing it.
  3. Calculator: estimate the cost of each product and explore a selling price.
  4. Bonuses: use the Christmas calendar, Top 30 list and photo guide.
  5. Business Dashboard: record sales and track costs and profit.

Can’t find something or a link is unavailable? Contact us from the Support section.


Centro de controle

Olá! Bora imprimir e vender 🚀

Seu resumo do negócio de impressão 3D.

🔓Libere a biblioteca completaMais de 90 mil arquivos em 27 categorias + 6 bônus. Você paga só a diferença: .
Comece por aqui

1. Escolha o que imprimir

Veja as categorias da biblioteca e separe 5 peças pra testar.


Precificação

2. Calcule o preço certo

Coloque peso e tempo da peça e veja o preço de venda com lucro.


Gestão

3. Registre suas vendas

Controle faturamento, despesas, estoque de filamento e metas.


Biblioteca

Arquivos STL

Modelos organizados por categoria, prontos pra fatiar.

📂 Arquivos prontos e organizados por categoria, não são modelos inéditos. Muitos vêm de repositórios abertos (MakerWorld, Printables, Thingiverse). O nosso trabalho foi reunir, separar e organizar tudo pra você imprimir sem perder tempo procurando.
🔓Libere a biblioteca completaMais de 90 mil arquivos em 27 categorias + 6 bônus. Você paga só a diferença: .
Official Tool

Cost Calculator

Estimate the cost of each print and explore pricing.

Filament (Required)
Use the grams shown in your slicer
Amount paid for 1,000 g
Printer (Optional)
Use the duration shown in your slicer
Electricity and wear
Margins
Suggested starting point: 10%
Typical range: 50% to 100%
Etsy is often around 10% before optional ads; Amazon Handmade varies. Use 0 for direct sales.
Painel da empresa

Administração

Seus dados ficam salvos neste navegador.

Presentes

Seus Bônus

Kits extras

Ferramentas pra vender mais

🔓Libere a biblioteca completaMais de 90 mil arquivos em 27 categorias + 6 bônus. Você paga só a diferença: .
Direto da fábrica

Pare de pagar caro no filamento

Compre direto do fabricante e aumente sua margem em cada peça.

Marketplace / varejo

Filamento PLA 1kg

Intermediário, comissão e frete alto.

Melhor opção

Direto do fornecedor

Lista VIP de fornecedores

Contato direto dos fabricantes de filamento no Brasil

PLA, PETG, ABS e especiais a preço de atacado. Contato via WhatsApp dos representantes.

De por

Pagamento único. Você recupera no primeiro carretel.

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