Homeowner needs to replace a flex pipe with straight PVC in a sink drain but cannot figure out how to connect it without relocating the wall pipe.

No easy-to-follow guidance or tool exists for DIYers to determine the correct PVC fittings and layout for sink drain reconfiguration without moving the wall pipe.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 18, 2026

App Concept

DrainFit Planner

An interactive app that lets users photograph their sink drain setup and automatically suggests the correct PVC fittings and assembly steps to replace flex pipes. Uses AR to overlay a virtual piping path, and provides a shopping list and step-by-step instructions tailored to the user's plumbing configuration.

Key Features

AR scan of existing drain to measure distances and angles
Automatic fitting recommender (elbows, couplings, trap adapters)
Step-by-step 3D animated assembly guide
Parts list with links to purchase

Target Users: DIY homeowners and handymen doing sink drain repairs without professional plumbing experience.

Revenue Model: Freemium with $4.99 per project or $9.99/mo subscription for unlimited projects

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