Concrete Spiral Staircase DWG Block for AutoCAD

This type of design is not very common because it is difficult to design and build. is a gem because many want in autocad and by the type of complexity.

Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):

front view, side view, cut, Esc:, first stretch, Esc:, Second tranche, Esc:

Raw text data extracted from CAD file:

R.400 .491 .491 .491 .491 .491 .491 .491 R1.250 2.500 2.500 1.250 3.436 1.250 1.250 1.250 1.250 .939 .957 .957 .957 2.800 1.000 1.500 2.500 .350 .350 .350 .350 .350 .350 .350 .350 1.400 1.400 .900 .900 .175 2.450 .175 1.600 .350 .350 .350 .350 1.400 5 5 5 5 5 5 5 5 5 1 2 3 4 5 6 7 7 8 9 10 11 12 13 14 15 16 6 5 4 3 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 VISTA FRONTAL VISTA LATERAL 5 5 5 5 5 CORTE A – A ESC: 1/25 PRIMER TRAMO ESC: 1/25 SEGUNDO TRAMO ESC: 1/25