Over a year ago, when it was hard to get weight plates, I 3D printed molds and made rebar-reinforce, cement weight plates with urethane coating and a steel center ring. : r/3Dprinting
Amazon.com: AUTUMN Made in USA 25-45 LB Concrete Cement Weight Plate Mold, Mold for DIY Olympic Barbell Weights, 13" Dia : Arts, Crafts & Sewing
GEN2 25 LBS OLYMPIC PLATE MOLD – Caveman Weights
AUTUMN 25-45 LB Concrete Cement Weight Plate Mold, Mold for DIY Olympic Barbell Weights, 13" Dia - Walmart.com
Medium (12.5”) DA Plate Mold Kit – Stix and Stone
Triumph MFG | 25-45 LB Concrete Weight Plate Molds, Mold for DIY Olympic Barbell Weights : Buy Online at Best Price in KSA - Souq is now Amazon.sa: Sporting Goods