The Bow & Arrow Automation Blog

Win More Bids.
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Estimating guides, AI in construction, product updates, and business growth tips — written for contractors, not tech bros.

How to Do a Construction Takeoff: The Complete Guide for General Contractors

Manual takeoffs are costing you 4–8 hours per blueprint set. This guide covers every step of the process — from reading the plan to building your final quantity list — and shows where AI can compress that time to under 5 minutes.

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What AI Actually Gets Right (and Wrong) on Blueprint Detection

We ran thousands of pages through the AI pipeline. Here's an honest breakdown of where AI excels, where it still needs human review, and how the confidence-scoring system helps you catch the edge cases fast.

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How to Win More Construction Bids Without Hiring Another Estimator

The fastest GCs aren't hiring more estimators — they're quoting faster. Here's the playbook: respond to bid invitations the same day, use a price library to cut re-entry, and let AI handle the counting.

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Phase 1 is Live: Full Blueprint-to-Quote Pipeline Now in Production

The complete pipeline is shipped and running on real projects. PDF upload, multi-layer AI analysis, visual bounding box review, price library, and one-click PDF export are all live and ready for use.

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The Estimator's Price Library: How to Build One That Actually Saves Time

Re-entering unit prices from scratch on every job is one of the biggest time sinks in construction estimating. Here's how to build a price library that auto-fills — and why your first 10 jobs do most of the work for you.

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YOLOv8, Claude Vision, and PyMuPDF: The Tech Stack Behind AI Blueprint Analysis

A plain-English breakdown of the three-layer AI pipeline that powers EstimatorStudio — why we use vector extraction first, object detection second, and LLM validation last, and why that order matters for accuracy.

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