This calculator implements the least-squares delta calibration algorithm that RepRapFirmware has built-in.
I have provided it as a service for those not running RepRapFirmware.
You can choose to calibrate the following parameters:
It deliberately doesn't adjust any other tower position coordinates, because doing so isn't helpful.
Any adjustment to the 6 possible tower position coordinates is equivalent to adjusting the delta radius and two tower angular positions,
plus a translation of the bed origin and a rotation of the bed.
You don't want to rotate the bed - that will just move the height errors to points you haven't probed.
You don't want to translate the bed either - as well as moving height errors to points you haven't probed,
it will reduce your print area because the bed origin will no longer be equidistant from the towers.
I recommend using 6 factors. Unless you measure nozzle heights a very long way out opposite each of the towers,
there is insufficient information to determins diagonal rod length accurately.
To use the calculator:
You can send feedback to me using the Contact form.
Calculator © 2015 Escher Technologies Ltd.