Custom Ski Boot Fitting via 3D Foot Scanning
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Solution Overview
Problem
Skiers face the challenge of spending valuable time in physical ski shops for custom-fitted ski boots, which takes away from their vacation time and cannot be purchased online due to the need for in-person fitting.
Innovation Solution
A method using digital recordings of a skier's lower legs and feet converted into 3D images, which are then used to program a 3D printer or CNC robot to replicate their legs and feet, allowing for the customization and production of ski footbeds and boots without physical presence, enabling online purchase.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If custom-fitted ski boots are made using traditional in-person fitting methods, then the boots provide a comfortable custom fit, but the skier must spend valuable time physically present in specialty ski shops
Solution Approach 1:
The system performs preliminary scanning and 3D modeling of the skier's feet and lower legs before the skier needs the boots. All measurements, molds, and customization data are captured in advance using portable scanning devices, allowing the custom-fitting process to be completed prior to the skier's vacation or skiing trip.
Solution Approach 2:
The system creates accurate digital 3D copies of the skier's feet and lower legs through scanning technology. These digital replicas capture all necessary anatomical details, allowing custom boot fitting to be achieved through digital modeling and 3D printing rather than traditional physical presentment and manual molding.
2Measurement precision
If custom-fitted ski boots require in-person fitting in physical shops, then accurate measurements can be obtained, but the boots cannot be purchased online
Solution Approach 1:
The system replaces traditional mechanical measurement methods (physical presentment, manual measuring tools, in-person fitting) with optical scanning technology and digital 3D modeling. Portable scanners capture precise anatomical data, which is then processed into digital models for online ordering and manufacturing.
Solution Approach 2:
The system introduces digital 3D modeling and portable scanning technology as intermediaries between the skier and the boot fitting process. These intermediaries capture and transmit precise measurement data electronically, enabling online purchasing while maintaining measurement accuracy that previously required physical presence.
3Manufacturing precision
If traditional custom boot fitting processes are used, then expert craftsmanship is achieved, but the process is time-consuming and requires physical presence
Solution Approach 1:
The system changes the fundamental parameters of the fitting process by transitioning from manual, time-intensive craftsmanship to automated digital scanning and 3D printing. This transformation maintains or improves customization quality while dramatically reducing the time required and eliminating the need for physical presentment during the fitting process.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the purchase of custom-fitted ski boots and footbeds online, saving time and allowing for a comfortable fit without the need for in-person visits, enhancing the skiing experience by allowing pre-vacation preparation.
Implementation Method 1
The 3D printer or CNC robot replicates the skier's lower legs and feet
Implementation Method 2
a person places the skier's replicated leg and foot into a heated ski boot
Implementation Method 3
a person allows the skier's ski boot to cool to the replicated skier's lower leg and foot
Data Source
AI summary
Powder House Boot Solutions is a way for a skier to purchase custom fitted ski boots and footbeds off the internet. Currently, this cannot be done because the skier must be physically present. Simple photos or video recordings of the skier's lower leg and feet are taken with a smart device. These are uploaded to the Powder House Boot Solution's website. These images are then converted into 3D images and are programmed into a 3D printer or CNC robot. Either of these is used to produce replicas of the skier's lower leg and feet. These replicas are then used to shape a custom pair of ski boots and footbeds. The custom pair is then shipped to the skier, eliminating the need for them to be physically present.