Jenga gun, 1894 Bergmann automatic pistol.

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Summary Designed for knocking Jenga pieces out of the tower or flattening flies, this printer might actually work. It's loosely based on the 1894 Bergmann number 1 automatic pistol and is a fun design project. If you're interested in learning more about my toy designs, send me a message. Print Settings Rafts: Yes Supports: No Notes: Approximately 250 mm long, this design may not fit on smaller printers. Post-Printing Instructions First, slide the bolt back from the rear while pulling down on the trigger. Next, wrap an elastic band around both the front sight and the back of the bolt. Then, slowly pull the bolt back until it catches the trigger. Once you've completed these steps, your design is ready to use.