Leaking shower Cyclone 3612

Water forming on the outside of the shower enclosure, where the metal is screwed down to the shower base. Removed old silicone and replaced all along the inside edge. Still leaked. Thought water was travelling down the door hinge, and out the bottom of the metal frame, so I hung a small piece of shower curtain along the entire length of this hinge to cover it. Still leaked. Then draped a full shower curtain over the 3 glass panels of the shower enclosure. No leaking. There is a leaky seam somewhere, but I CANNOT FIND IT. Inspection of existing silicone looks ok, no gaps or obvious silicone problems. Anybody else have this problem, and if so, what the heck is the fix?
 
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