Explore the process of building a modular docking bar for a budget Sovol SV08 toolchanger in this comprehensive video tutorial. Learn how to complete the final wiring for six tools and construct a modular dock to hold idle SV08 tools. Follow along as the instructor demonstrates the final toolhead wiring, tests the modular dock, fixes the 2020 dock bar holder, and builds the remaining docks. Gain insights into incorporating wipers and nozzle blocks, and understand the final installation process. Conclude with a budget update and overall assessment of this DIY 3D printer modification project.