Try these LEGO Compatible core bricks - MyBuild Core Bricks 2x6x1- to build with your Lego creation for a brick-built gun or other great ideas. The brick itself comes with studs on every side, and every side is buildable. Print and use it as the core and coat it with Lego parts for a premium format model. MyBuild Core Bricks is an innovation of building brick system designed to compatible with Lego bricks and major brands. Be sure to also check out the LEGO Compatible Robot Frame in the Gadget category https://cults3d.com/en/gadget/lego-compatible-robot-frame and watch the stop-motion videos on our website http://www.herodesignstw.com/#!3d-models-free-download/c20me
Core Brick 2x6x1
Print speed: slow
Print time: 1 hr 20 min
Design includes the supports. They can be removed easily with a tool such as diagonal cutting pliers after printing.