Visual issue tracking and design reviews
Stop emailing screenshots and PDFs, creating endless issue lists in slide decks, or hand redlining paper drawings. Start using Five Flute as your central hub for markup and design review.
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Trusted by engineering teams delivering next generation products



Austin Laurer
Director of Mechanical Engineering at CLMBR
“Five Flute has been an essential tool for our engineering team. We've been able to efficiently track issues with our builds, connect them to the aspects of the design that they impact, get them fixed quickly and most importantly never drop the ball.”
Collaborative Markup
Rich visual feedback
Use markup tools to quickly communicate intricate design issues that you can't describe with text alone. Present your designs in an environment that helps you communicate your ideas with ease.

Capture Feedback in Context
Seamless 2D drawing reviews in browser
Comment, sketch and highlight directly on drawings to clearly identify issues. Built-in revision comparison tools, version specific markups, and approval tracking help you close the loop.
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3D CAD Native = Fast
Easily create issues inside CAD
The Five Flute SolidWorks integration helps you create issues in seconds with enough context for everyone on the team to understand them. Save model positions, section views, component visibility, and other model context that describes your issue to CAD and non CAD users alike.

Engineering obsessed
We wrote the book on drawing reviews
We don't just make software for engineers; we write about it too. Check out our ultimate guide to engineering drawing reviews to learn how to supercharge your 2D drawing review process no matter what you are developing.
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