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Hardik Dhanak

Ticketing hardware

Invisible QR

Client: Ridlr
Year: 2017
Role: Design consultant, project owner
Status: In market — Mumbai Metro One

A commuter scanning a QR code from a phone at the Ridlr validator on a Mumbai Metro gate

Sketch page of form explorations for the gate-top validator

Second sketch page of validator form explorations

White concept render of a rounded validator with a red light strip

White concept render of a validator with two windows

White concept render of a slim upright validator

Clear acrylic mock-up of the validator taped onto a metro gate

A row of green foam mock-ups on a desk

A foam mock-up being tested on the gate

A tall foam mock-up on the gate edge

A foam mock-up beside the red flap, hand holding a phone

Line drawing of the validator mounted on the gate: display, cut-out on gate, soft rubber stoppers and screw-from-inside detail

Black and white photo of a technician working on a gate panel on a bench

Black and white photo of gate columns lined up in the workshop

Vacuum-cast housing opened up, showing the wiring and controller

Sheet-metal plate with the scanner clamped in place

Mounting plate carrying two scanners side by side

The Ridlr validator installed on a Mumbai Metro gate, beside the red flap

Close view of the validator on the gate, screen lit

Next project Delhi QR ticketing

Render of a row of Delhi Metro gates with blue scanner housings and red flaps