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Stud-Mount Olympic Weight Plate Horn
This wall horn screws flat to a 2x4 stud face (38 mm, matched by the 28 mm-wide backplate) with two #10 wood screws (5.5 mm holes, 102 mm apart). It holds 2 in Olympic plates (50.8 mm bore) on a 30 x 28 mm I-section horn that angles up 8° and ends in a stop lip. The part prints on its side, so the bending load stays in the layer plane instead of peeling layers apart, and it replaces a $60 steel plate tree with one 130 mm-tall bracket.
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