Tools
Tools
Small web tools for design and site work. Everything runs in the browser — files never leave your device.

CALC
Beam Notch Loss
How much a girder loses to housed dovetails and a tenon.
Section properties for a girder notched by joists on both sides and a column tenon at mid-span. Reduction ratios for area, moment of inertia and section modulus, with a cross-section and a 3D view of the joint.
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VIEWER
JWW Viewer
Open Jw_cad .jww files on Mac and tablets.
See .jww drawings without installing Jw_cad. The file is read entirely inside your browser and never uploaded.
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