more tiny version of this probe

[sl1pkn07]

Hi

i want to use this probe with this project https://github.com/madl3x/x-scara

i think i need a little more small version of this probe

what is the minimal size of pcb for make a valid unit? the meassurements of the resistors is the same? what is the thikness i need select for make one?

greetings