Modular tool holder for K8200

Tool holder for K8200, for pliers, tweezers and two 3mm tools.
Fits snugly on the frame, no screws necessary. Modular design allows for expansion.
The idea is from "modular tool-holder rack for MakerBot Cupcake" by allartburns, but I decided to make my own from scratch as remixing it for the K8200 was too much effort.