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PRT22 Rat Trap .22LR Single-Shot (Part 1)
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsI'm back! Over Christmas Break I built my second pistol, another .22 LR single-shot. After...
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PRT22 Rat Trap .22LR Single-Shot (Part 2)
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsThe first part that I wanted to tackle was the most complicated part, the hammer. The hammer...
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PRT22 Rat Trap .22LR Single-Shot (Part 3)
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsI started working on the front trunnion. I made this from flat bar. I used a series of drill...
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PRT22 Rat Trap .22LR Single-Shot (Part 4)
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsI still had a good length of the barrel blank that I used for the PEP22. Even better, I had...
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PRT22 Rat Trap .22LR Single-Shot (Part 5)
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsMoving on to the frame. I lined up the top edge of the templates with the factory edge on the...
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PRT22 Rat Trap .22LR Single-Shot (Part 6)
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsI made the trigger out of the same sheet metal, folded in half.Added a rivet...And drilled the...
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3D Printed Forward Charging Handle
Here's my idea for a forward charging handle that could be used on an AR-based bullpup, such as the one that's being developed over at FOSSCAD. It's a single printed piece that slides along the...
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PRT22 Rat Trap .22LR Single-Shot (Part 7)
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsI made a quick front sight blade.And now it's time to make the springs. Can you guess where the...
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PRT22 Final Assembly and Proof of Life
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsThis is it! I went ahead and reblued all of the bare surfaces and scratched areas. Then I...
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PM422 Songbird 3D Printed .22 Concept
Part 1 - Part 2 - Part 3 - Part 4 - Part 5Here's my concept for a printed .22LR single-shot pistol. All of the parts are printed except for the firing pin (a roofing nail) and some rubber bands that...
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PRT22 Blueprints Are Here!
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsI just finished the blueprints for the PRT22. Click here to go to the download page. Let me...
View ArticlePM422 Songbird 1.7 3D Printed .22 is Alive! (The Love Gun)
Part 1 - Part 2 - Part 3 - Part 4 - Part 5Awesome news! After a few revisions, FP of FOSSCAD has printed and tested my Songbird pistol. Some revisions I made since the initial concept include...
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PM422 Songbird 1.8 Files Are Here!
Part 1 - Part 2 - Part 3 - Part 4 - Part 5I've just released the files for version 1.8 of the Songbird 3D-printed .22LR pistol. Click here to go to the download page. Comments, questions, and...
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PM422 Songbird Spotted in the Wild!
Part 1 - Part 2 - Part 3 - Part 4 - Part 5An anonymous user has successfully printed and test-fired my Songbird pistol, this time using Taulman Bridge (a nylon filament) to print the barrel. The barrel...
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An Update
My dad died one month ago. It was unexpected. He was the one who got me interested in engineering and firearms (shooting at three years old!) and always supported my creative endeavors.The last few...
View ArticlePRT22 Build Videos
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6 - Part 7 - Finished Pistol - Build Videos - BlueprintsThe videos are done! That last one took months for some reason. Four build videos plus the...
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PM422 Songbird 2.0 3D Printed .22 Design Updates
Part 1 - Part 2 - Part 3 - Part 4 - Part 5Version 2.0 is ready to print! For the uninitiated, the PM422 Songbird is a single-shot .22 LR pistol that is 100% 3D printed with the exception of rubber...
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PM522 Washbear 3D Printed .22 Revolver Concept
Part 1The guys over at FOSSCAD have challenged me to design a 3D printable revolver. Here are the goals that I set:- Safe (failures will not harm the operator)- Printable on a Rostock Max or smaller...
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A Quicker, Cheaper, Stronger, and More Efficient Way to Make 3D Printed Barrels
Part 1 - Part 2Be sure to read Part 1 for some background on my PM522 Washbear revolver.In its current state, the cylinder of my revolver design takes over 20 hours to print and eats up a good deal of...
View ArticlePM522 Washbear 1.1 3D Printed Revolver is Alive!
Part 1 - Part 2 - Part 3Awesome news here! Development of my PM522 Washbear 3D-printed revolver is coming along great and we've achieved a world first!Gunnit Rust: PM522 WashbearHere's a summary of the...
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PM422 Songbird 2.1 Files Are Here!
Part 1 - Part 2 - Part 3 - Part 4 - Part 5 - Part 6I finally got around to putting the .zip file together. FP tested 2.0 and made a couple of suggestions which are reflected here. In this version, I...
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PM522 Washbear 2.0 3D Printed Revolver Updates
Part 1 - Part 2 - Part 3 - Part 4I've done some small modifications to improve on the old Washbear. The main change is that I moved the firing pin so that it hits on the right edge (3 o'clock) instead...
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PM522 Washbear 2.0 Files Are Here!
Part 1 - Part 2 - Part 3 - Part 4 - Part 5Here's a breakdown of how the revolver cycles plus a live fire test using all eight chambers!Since we have a safe working prototype, I decided to release the...
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PM638 Greywolf 3D Printed .38 Special Revolver Concept
Following the success of the Washbear 2.0 prototype, I decided it was time to scale up. Here's my next design, the PM638 Greywolf:The Greywolf is a 6-shot pepperbox revolver chambered in .38 Special....
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