SimplerCAD Guides

Practical projects and guides for designing useful parts, checking fit, editing meshes, importing models, and keeping your work recoverable.

Model inspection

What Is a Strength Map in 3D Design?

Review relative strength, compare one geometry change, and understand the limits of the analysis.

Importing models

Which 3D File Formats Can SimplerCAD Import?

Choose STL, GLB, OBJ, or a supported OBJ + MTL ZIP, and check dimensions and materials after import.

Projects and saving

How SimplerCAD Works in Your Browser

Follow the browser workflow and understand local recovery, cloud saving, and model exports.

Tutorials

Design a Small Desk Tray in SimplerCAD: A Beginner CAD Project

Build a useful desk tray from two boxes. Plan wall thickness, position a cavity cutter, inspect the result, and prepare your model for slicing.

October 9, 2026

Design guides

3D Printing Clearances: Design a Simple Fit Test Before the Full Part

Learn the difference between total and per-side clearance, then design a small test piece to choose a fit using your own printer and material.

October 9, 2026

Troubleshooting

Boolean Subtract Not Working? A Practical SimplerCAD Checklist

Diagnose missing holes, reversed cuts, hidden results, and difficult imported meshes with a step-by-step Boolean subtraction checklist.

October 9, 2026

Mesh editing

How to Simplify a Detailed 3D Mesh Without Losing Important Features

Use a measured reduction workflow in SimplerCAD: protect the original, identify critical features, compare a lighter mesh, and check the exported result.

October 9, 2026