This free online truss calculator is a truss design tool that generates the axial forces, reactions of completely customisable 2d truss structures or rafters. it has a wide range of applications including being used as a wood truss calculator, roof truss calculator, roof rafter calculator, scissor truss calculator or roof framing.. Most plate manufacturers also supply truss design software. mitek is a dominant connector plate supplier in canada along with alpine systems corporation and simpson strong-tie. and while they all sell truss plates and other connectors for wood construction, the key driver of their business is the software.. A truss plate manufacturer (tpm) design software was used to layout assemblies and to design individual trusses. the tpm software used a conventional design procedure (cdp) by analyzing one truss at a time in two dimensions..
