Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
3d Printing
Maximum Bridge Length Calculator
Estimates the maximum unsupported bridge length your printer can span cleanly based on cooling, fan speed, nozzle temperature, and bridging speed. Use it before printing to decide whether supports are needed.
Fill in the required fields to see your result.
3d Printing
Retraction Settings Calculator
Finds the recommended retraction distance for your extruder type, nozzle size, and filament material. Use it when eliminating stringing, oozing, or blobs between printed features.
Fill in the required fields to see your result.
Key differences
| Maximum Bridge Length Calculator | Retraction Settings Calculator | |
|---|---|---|
| Category | 3d Printing | 3d Printing |
| Inputs required | 3 | 3 |
| Result | Maximum Bridge Length (mm) | Recommended Retraction Distance (mm) |
| What it does | Estimates the maximum unsupported bridge length your printer can span cleanly based on cooling, fan speed, nozzle temperature, and bridging speed. Use it before printing to decide whether supports are needed. | Finds the recommended retraction distance for your extruder type, nozzle size, and filament material. Use it when eliminating stringing, oozing, or blobs between printed features. |