ovals and spirals

2d ornaments.

geometric shapes 1

Template to model 3d conduit curves

Practices for the beginnings of atutocad

3d parachute

practice cad

circular surfaces

General details for gypsum board ceiling.

isometric figures

Cornices

laminar plate for armor

3d pieces

3d pillars and arches

hyperboloid of revolution

Filled Percentage Circles

boat practice cad

Arc stroke

geometric figures 4

threading exercise

Template to model 3d conduit curves