Special calculations
Calculate & explore Shape family
Reducers & transitions
Change tray size with centered or offset transitions.
6 working methodsChoose a fabrication method
Available nowReducers & transitions / 3DOpen-tray expander · small to largeOpen-tray expander · small to large
Four true-size panel patterns and rigid 3D assembly, with explicit measurement references.
Beta · calculation + 3DReducers & transitions / 3DRectangular funnel · centered or offsetRectangular funnel · centered or offsetFour true-size panel patterns and rigid 3D assembly, with explicit measurement references.
Beta · calculation + 3DReducers & transitions / 3DFour-face equal-slope funnelFour-face equal-slope funnelFour true-size panel patterns and rigid 3D assembly, with explicit measurement references.
Beta · calculation + 3DReducers & transitions / 3DOpen-tray reducer · one edge alignedOpen-tray reducer · one edge alignedFour true-size panel patterns and rigid 3D assembly, with explicit measurement references.
Beta · calculation + 3DReducers & transitions / 3DOpen-tray reducer · both sides centeredOpen-tray reducer · both sides centeredFour true-size panel patterns and rigid 3D assembly, with explicit measurement references.
Beta · calculation + 3DReducers & transitions / 3D90° horizontal reducing elbow90° horizontal reducing elbowIndependent measurement setup, solved geometry, joint schedule and four-stage 3D.
Beta · calculation + 3DEach method shows an ideal geometric layout. Check the tray profile, material allowances and connection detail before fabrication.
Before you choose a method
Measure both end sections and the transition length; note which faces must stay aligned.
Cable Tray Measuring Guide ↗Individual methods in this category
14Inner and outer references, left and right directions, and numbered variants remain separate. A working calculator does not automatically complete every method in its shape family.
Size transition
Funnel transition
Field methods · 3D
Calculate & explore Funnel transition method
Beta available · reference reviewOne-sided reducer
Field methods · 3D
Calculate & explore One-sided reducer bend method
Beta available · reference reviewTwo-sided reducer
Field methods · 3D
Calculate & explore Two-sided reducer bend method
Beta available · reference reviewReducing horizontal elbow
Field methods · 3D
Calculate & explore 90° horizontal reducing elbow
Beta available · reference reviewLeft-offset funnel
Fabricated fittings · 3D
Request this method Left-down funnel · method 1
Method not releasedFabricated fittings · 3D
Request this method Left-down funnel · method 2
Method not releasedRight-offset funnel
Fabricated fittings · 3D
Request this method Right-down funnel · method 1
Method not releasedFabricated fittings · 3D
Request this method Right-down funnel · method 2
Method not releasedCentered funnel
Fabricated fittings · 3D
Calculate & explore Centered four-slope funnel · method 1
Beta available · reference reviewFabricated fittings · 3D
Request this method Centered four-slope funnel · method 2
Method not releasedVertical funnel
Fabricated fittings · 3D
Request this method Vertical two-slope funnel · method 1
Method not releasedFabricated fittings · 3D
Request this method Vertical two-slope funnel · method 2
Method not releasedEccentric funnel
Fabricated fittings · 3D
Request this method