PCB clamp holder (weighted)

Here I made a fancy PCB holder clamp that helps keeping those little boards from moving everywhere when soldering. It has a hollow base to be filled in to add weight and make it more stable.You can also use it to hide some valuable goods in it from prying eyes. Notes:The mid-frame screws into the base left-handed, opposite to what is normal, while the top clamp normally.I added two versions: two color and single color, no AMS needed.Printed without any issue, but ensure clean surface.