The Serbu Firearms RN-50 is a minimal break action rifle chambered in .50 BMG. It is an attractive option for a rifle of its caliber at a reasonable price point. Though the RN-50 accepts a standard AR-15 pistol grip and buffer tube, the relative position of these components is not the same as a MIL-Spec […]
Category Archives: Rapid Prototyping
Rapid prototyping equipment, such as 3D printers and laser cutters, have become increasingly more common in the past few years, but few quality solutions exist that can serve both purposes at a low cost. A decent hobby laser cutter may cost thousands of dollars. Even few sub-$1000 3D printers are both durable and capable of […]
Several months after completing my original Printrbot + Upgrades, I am now introducing the latest version of my improvements. These new components address several problems with the original upgrades and they are also much stronger, easier to assemble and they require far less material and print time. New Features: Minimal hardware required – assembly requires […]
1) After removing the plastic skirt with a hobby knife, use a reamer or file to clean all of the bolt holes. 2) The X-bridge and extruder mount parts print with supporting elements between each bearing sleeve. This plastic must be cut away before installation. 3) Components that are not bolted together should be glued […]
After receiving my new Printrbot + from one of the original kickstarter backers, I promptly assembled the printer in hopes of having it printing as soon as possible. The printer went together quite smoothly and without any major issues. After reading of previous user’s experiences, I was a bit concerned how the quality of the […]