Switch machine

thingiverse

This is a compact turnout control that's self-latching, designed specifically to work seamlessly with my hand-built N scale turnouts. It boasts a footprint similar to the popular Caboose Hobbies ground throw but comes in at about half its height. Additionally, I've added a second narrow-style base to better fit between parallel tracks. 01-03-2017: I transferred the model into Tinkercad for easier revisions. To boost strength, I resized the pivot peg and adjusted several holes for improved fit. All parts are now contained within a single file, allowing users to easily remove any unnecessary components. 03-24-2017: I created separate files for each part, making it more convenient for users to work with individual elements. Print Settings: Printer: Original Prusa i3 MK2 Rafts: No Supports: No Resolution: .200 or .150 layers Infill: 25% - 30% Notes: For optimal results, a well-adjusted machine is crucial, especially when printing these tiny parts. Users may need to employ a 1/16" drill for the pivot hole in the rocker and cap, as well as a 1/32" drill for the control wire's tiny hole in the rocker arm. The cap dovetails onto the base, but I recommend applying a small amount of CA glue around the dovetail to ensure the cap remains secure. Post-Printing: Parts assembled with cap securely glued Handle flipped to opposite position Underside reveals indexing arms and pivot peg support How I Designed This: Developed in Sketchup and on my 3D printer, this design began as an optimized version of how to build a latching lever. From there, I refined the base for optimal support and clearances to achieve the perfect tension.