Insulation tools
The trade's workshop: unfold sheet metal into cutting patterns, build a pipe route in 3D, see the shapes in space, and unfold a whole box with bends and overlaps.
Open The Unfolding Library →Free · no account needed
Sheet, duct and pipe
The Unfolding Library45 shapesSheet metal shapes unfolded into cutting patterns, in millimetres and with an honest quality mark.Pipe route builder — 3DPipes in 3DChain pipe segments into a complete pipe map — with seams, overlaps and material totals.3D-workshop3D · DXFThe shapes in space — with flat development, DXF for CNC laser and a cardboard guide.Box unfolderBox · DXFThe whole box unfolded: bends, corners, overlaps and rivet holes. Print 1:1 or download DXF.
Just need Pythagoras, area or percentages? They are in the universal tools.