This 3D-printable frame was designed by Ivan The Troll.Įven if you haven’t heard of Ivan The Troll before, which is most unlikely, you have probably run into his amazing works, such as the projects “U-Bolt AR-15” and “Colt 3011”, as well as DIY 3D print files Amigo Grande, FMDA dd26.2, FMDA dd19.2, etc. FMDA dd17.2 Assembly FMDA dd17.2 3D Printed Glock Frame History