Free 3D Printing Tools
View, repair, and estimate 3D printing files in your browser. These tools are built for quick checks before slicing, quoting, or sharing a model.
3D Printing Price Tool & Cost Calculator
Estimate 3D printing price from filament cost, print time, printer wattage, and electricity rate before adding labor or markup.
Best for: Estimating a baseline 3D printing price before quoting a job
3D Print Filament Calculator — Weight, Length, and Cost
Calculate filament length, cost per meter, and estimated remaining material from spool weight, diameter, density, and price.
Best for: Estimating how many meters of filament remain on a partial spool
STL Repair Tool Online — Free, Browser-Side, No Upload
Repair common STL mesh issues in your browser. Rebuild normals, remove degenerate triangles, and download a cleaned STL file.
Best for: Cleaning STL files that contain zero-area or duplicate-style broken triangles
STL Viewer Online — Free, Browser-Side, No Upload
View and inspect STL files in your browser. Rotate, zoom, and pan 3D models. Supports files up to 200MB. Free, private, no upload required.
Best for: Quickly checking whether an STL file opens before slicing or printing