Parametric Magpul CTR Buttpad Extender

Upgrade your ergonomics with this fully parametric length-of-pull (LOP) extender for the Magpul CTR / MOE carbine stocks. This design isn't just a solid block; it features an integrated honeycomb internal structure and a recessed locking lip to ensure your factory rubber buttpad stays securely seated under recoil. 🛠 Features Integrated Recoil Lip: Features a custom-fit rim that "nests" the original Magpul rubber pad, preventing it from shifting or rotating. Honeycomb Core: Engineered with an internal hexagonal grid to maximise rigidity while significantly reducing filament use and weight. Parametric Design: Optimised for a standard 25mm (1-inch) extension, but easily adjustable via the provided OpenSCAD script. Duty-Grade Walls: Thick 4mm outer shell for impact resistance and durability in the field. 🖨 Print Settings For maximum strength and safety, use the following specifications: Material: PETG, ASA, or ABS (Highly recommended for impact resistance). Use TPU (95A) if you want a se