surface of revolution

3d dome

Two radii curve and dynamic block of coordinates

Volumetric hexagon building

active surface paraboloids

tackle

Pipes with cut and sections and wheels

house mated

concrete in shells

Paraboloid.

3d shapes

Dome

How to draw brick arches

3d modeled design

3d vault coverage

semicircular arch

paraboloid structure

mountains; cut and isometric of baida vault

spherical shell

Opalit corrugated sheet of 855 x 1000 mm and 855 x 1500 mm

omnipoledron