3D ViewNow

3D Viewer Guides

Guides for opening 3D files in a browser, checking wall and overhang risk, understanding conversion limits, and keeping CAD viewing local-first.

Open the web app Browse formats

Practical model review topics

These guides explain common 3D file workflows in plain terms: which file format to choose, which measurements to verify, how to read printability heatmaps, and what local-first file handling means in a browser viewer.

They are written for users who need to inspect a model before printing, sharing, converting, or handing it to a slicer. Each guide links back to the app so the checks can be performed immediately on a local file or a sample model.

Guides

STL, STEP, 3MF, OBJ, and GLB Browser Viewer Guide Wall Thickness and Overhang Checks for 3D Printing Local-First CAD File Viewing and Privacy Guide How to Measure an STL File Online Before 3D Printing STL File Not Opening? A Browser Viewer Troubleshooting Guide 3D Model Units and Scale: STL, STEP, OBJ, and 3MF 3MF vs STL for 3D Printing: Which File Should You Use?