See updated version: https://makerworld.com/en/models/1232277-usb-c-mini-power-supply-mk2#profileId-1251189

Uses a simple USB-C trigger board to power banana jack terminals. Probably compatible with other banana jack terminals with slight modifications.  

https://www.jameco.com/z/03-035-Jameco-BenchPro-Binding-Post-Screw-Type-Pair_71240.html?CID=MERCH

4pcs Type-C QC AFC PD2.0 PD3.0 to DC Fast Charge Decoy Trigger Polling Detector USB-PD Notebook Power Supply Change Board Module Support 5V 9V 12V 15V 20V Fixed Voltage Output

https://www.amazon.com/ACEIRMC-Trigger-Polling-Detector-Notebook/dp/B0BTHXKM91/ref=sr_1_3?crid=24KQQWJ8GC1MJ&dib=eyJ2IjoiMSJ9.ObPO58iWTtNVARVWVyc0j_-YRmx1p7GS3iWX6D0ozRM2kYBpRV9nroiWDxtv3o5-keNpeoWQst8dM5BZFVMqbOAz80_HUtlP3YJUjPWy-8-cG3siCUwnaipMr3X7-Ymp-U-8z7dl_b8acNOVlF0FkecFFRSSYhCSkSDjeNK7WmNnZImEww4QQ1aWtL7u_rXmFWG98bQBJg2AoP4mi3q6RuMB6AZxg4SZXbVTmAa4sYo.gmG0_oO_CDyPvamW-fWQfAuKi8L0wQ6HllLo6JuHAtk&dib_tag=se&keywords=usb+c+power+board&qid=1742360498&sprefix=usb+c+power+boar%2Caps%2C203&sr=8-3