The GCI Brutalist Jr. is a distortion pedal which can be built with the business card/pcb of Kurt Ballou from the Godcity Studio. It is a full grown distortion featuring controls for distortion, loudness and volume.
The pcb has the dimensions 97x48mm.
Here you can find a ready to solder kit:Bass Brutalist Jr. Bausatz
Here´s the build documentation:
Brutalist Jr. docs