Portable Pull-Up System (door frame)

Membership Universal 3D Printable Portable Pull-Up System – No Hardware, No Limits Take your fitness anywhere with the world’s first fully 3D printable, hardware-free, portable pull-up system designed for serious strength on the go. This innovative two-piece design mounts universally to any standard door frame without tools, screws, or damage—just print, place, and pull. Engineered for extreme durability, each piece supports over 550 lbs and utilizes your body weight to lock securely in place. The intuitive form grips the door frame with mechanical leverage and friction, getting more stable the harder you pull. Unlike traditional pull-up bars, this model features individual hand grips—one per hand—giving you full freedom to vary your grip position for targeting different muscles. Whether you prefer wide-grip, neutral, or close-grip pull-ups, you’re in control. Key Features: ✅ Fully 3D Printable – No metal, no screws, no compromise. Print at home or on the go. ✅ Universal Fit – Mounts t