Raptor sliding clamp by gagnierlucThis is a mix of 3 models: Soldering aid by MW3D - Adjustable PCB Holder Tool by squinn - Camera mount articulate 360° by JonhDoe 993Use PETG for the clamps. Use a small clothespin spring (not the big one)https://makerworld.com/zh/models/608051#profileId-531025