The Portable
Open Source 3D Printer
Coming soon

This calculator is for modified Tantillus and different machines.

Print Settings

Layer Height (mm): 
Minimum extrusion length: 
Size of the object to print: 
Preferred optimization: 
Target speed for optimization (mm/s): 

Material Settings

Filament Diameter (mm): 
Die Swell (mm): 
Custom Temperature (Celcius)
Minimum Temp: 
Normal Temp: 
Maximum Temp: 

Machine Settings

Nozzle Diameter (mm): 
Authentic J-head: 
Steps per mm on E axis: 
Steps per mm on Z axis: 

Internal Variables

Base line data
Nozzle diameter used for flow calculations (mm): 
Flow Rates (mm^3/s)
Minimum flow rate: 
Optimal flow rate: 
Maximum flow rate: 
Flow calculation variables
Nozzle difference modifier: 
Speed calculation variables
Sparse infill modifier (mm^3/s): 
Solid infill modifier (mm^3/s):