Work in progress
Help improve this design
Orientation and mobility instructors: does the scale, arm movement, and level of detail help when teaching travelers what a pedestrian rail crossing gate is like? What is missing?
This project is a work in progress. If you would like to test it, suggest changes, or help iterate, feedback is welcome on the model pages linked above. See the other works in progress for related designs.
PedXarm is a 3D-printed scale model of a railroad crossing, with pedestrian crossing (“ped xing”) gate arms, made as a teaching aid for orientation and mobility training. Travelers who are blind or have low vision can explore by touch how the crossbuck signs, lights, and gate arms are arranged and how the arms move, before encountering a real crossing. The model includes a printed track base, crossbuck “Railroad Crossing” signs with red lights, and striped crossing arms that raise and lower.
The design is under active development; the project files show many iterations of the poles, arms, and floor pieces (currently around edit 2.4+), refining how the parts print and fit together.
