Model Overview & Print Notes

# 50mm Olympic Barbell Collar – Screw Clamp | 3D Printable Weightlifting Bar Lock ## Description This **3D printable barbell collar** is designed for **50mm Olympic barbells** and provides a secure and adjustable way to lock your weight plates in place during workouts. The collar uses a **tightening screw mechanism** that allows you to easily clamp it onto the bar, preventing plates from sliding during lifts. Its compact and durable design makes it ideal for **home gym setups, DIY fitness equipment, and custom 3D printed gym accessories**. This model is optimized for **easy 3D printing and reliable strength**, making it a great alternative to traditional barbell clips. Perfect for **Olympic barbells used in weightlifting, powerlifting, CrossFit, and strength training**. ## Features - Designed for **50mm Olympic barbells** - **Secure screw clamp locking system** - Prevents weight plates from sliding - Compact and ergonomic design - Optimized for **reliable 3D printing** - Ideal for **home gym setups** ## 3D Printing Recommendations For best durability and performance: **Recommended materials** - PETG - ABS - Nylon (best strength) PLA is printable but **not recommended for heavy lifting loads**. ## Use Case This barbell collar is perfect for: - Home gym equipment - DIY gym setups - Custom barbell accessories - Strength training and weightlifting - Replacement for standard barbell clips ## Assembly To assemble the barbell collar you will need: - **1x M6 30mm screw** - **1x M6 nut** Insert the **M6 nut** into the designated nut slot in the clamp. Then insert the **M6 screw** through the screw hole and tighten it until the collar securely clamps onto the barbell. ⚠️ **Safety Notice** This is a **3D printed fitness accessory**. Always check the tightness and stability before lifting weights. ## 3D Printing Settings - Layer height: **0.2 mm** - Infill: **40–60%** - Walls: **3–4 perimeters** - Supports: **Not required**