MAKER TOOLS · ENGINEERING WORKBENCH

3D Maker Tools

A workbench for your next toolhead. Estimate print cost, calibrate your extruder, compute volumetric flow, convert and inspect 3D models — all in your browser, none of your files leave the device.

6 tools · Free · No account · Files stay local

Calculators

Calculator

Extruder Calibration Calculator

Fix over- or under-extrusion by calibrating Marlin E-steps or Klipper rotation_distance from a measured extrusion length.

Marlin E-steps
Klipper rotation_distance
Safe factor math

Calculator

Print Cost Calculator

Estimate how much a 3D print actually costs — material, electricity, depreciation, maintenance and labor, with waste and success-rate adjustments.

Material & electricity
Printer depreciation
Waste & success rate

Calculator

Volumetric Flow Calculator

Convert between print speed and volumetric flow for any layer width and height — the number your hotend and slicer actually care about.

Speed ⇄ flow
Layer width & height
Nozzle context

Model Tools

Model Tool

3D File Converter

Convert 3D model files between STL, OBJ, PLY and glTF right in your browser. Files never leave your device.

STL/OBJ/PLY/glTF
100% in-browser
Privacy first

Model Tool

3D Model Inspector

Open a mesh locally to inspect vertices, faces, bounding box and orientation before you slice it.

Mesh statistics
Bounding box
Local file only

Downloads

Open-Source 3D Tools

A curated registry of genuinely free and open-source software for repair, slicing, conversion and analysis.

Verified projects
Official links only
License aware