Occupational Therapy Orientation and Mobility Models

Understanding intersection geometry and route shapes is a foundational spatial skill for safe, confident travel. For people who are blind or visually impaired, environments are experienced sequentially and through non-visual cues; that makes it harder to form a clear, global picture of a junction or a multi-leg route from a single walk-through. Simple overhead tactile models translate fleeting spatial layouts into repeatable, touchable references students can explore with their hands.

Why overhead tactile models help

• Provide a concrete reference for abstract terms (T‑junction, roundabout, skewed intersection).
• It is easy to forget that some students that are blind have never seen an intersection; tactile models make the shapes and relationships explicit. Also, they may not have experience with the actual print letters we name the junctions after (T, Y, X, etc.).
• Reduce cognitive load by offering a stable schema students can use when planning or rehearsing travel sequences.
• Support rehearsal of approach→pause→cross→reorient sequences in a safe classroom setting.
• Improve transfer to real-world navigation by matching tactile features to on-street cues (curbs, medians, crosswalks, landmarks).

What students gain

• Practice sequencing and alignment strategies that support independent travel.
• Better hazard anticipation and decision-making at intersections.
• Faster acquisition of wayfinding language and mental maps.

Materials & simple builds

[Orientation and Mobility Route Shapes ]{https://mrhunsaker.github.io/3dprint/prints/orientation-mobility-route-shapes/}

[Orientation and Mobility Intersections ]{https://mrhunsaker.github.io/3dprint/prints/orientation-mobility-intercestions/}

You don’t need expensive equipment. Classroom-friendly options include foam board, craft foam, cardstock, wooden dowels, and simple 3D‑printed curb overlays. Best practices:

• Keep models overhead (plan view) with raised elements for curbs, medians, and crosswalks.
• Use distinct tactile textures for different features and add braille/large-print labels where helpful.
• Build modular pieces (nodes and legs) so instructors can assemble a variety of intersections and routes quickly.

If you have access to a 3D printer, small STL templates for common junctions (T, four‑way, roundabout) let you produce repeatable parts; otherwise, low-cost craft materials create very effective prototypes.

Classroom activities

• Paired exploration: one student feels the model while a partner gives directions — then swap roles.
• Route rehearsal: plan an approach and crossing, act it out, and reflect on decision points.
• Variation drills: change one element (offset crosswalk, added median) and ask students how their plan changes.
• Build-and-explain: students design a small model and describe how they’d navigate it.

Teaching tips

• Introduce one shape at a time and follow with a short on-street comparison so students connect tactile features to real cues.
• Use consistent vocabulary (approach leg, node, median) so classroom language maps to tactile features.
• Encourage students to annotate models or keep tactile sketches to reinforce memory.

Safety, storage, and maintenance

• Make durable parts for high-use elements and keep fragile pieces for demonstration.
• Store modular parts in labeled bins for quick lesson setup.
• Replace or repair worn textures and braille labels to keep touch cues reliable.

Customization and contribution

These ideas are a starting point. If you develop printable templates, lesson plans, or assessment rubrics, please share them so other instructors can benefit. I can add example STL files and a short lesson plan to this post on request — tell me which junction types or objectives you want prioritized.

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