This is the triangle also known as the 30-60. This helps draw vertical lines as well as 30 and 60 degree angles.
This is a circle template used to draw circle in orthographic drawings and projections.
This is is a T-square which is used to ensure that a flat horizontal line and to make sure that the lines created from the triangles are always straight.
Orthographic Worksheet
Isometric Drawing
Orthographic Worksheet
Isomeric Drawing
Orthographic Worksheet
Isometric Drawing
Orthographic Worksheet
Isometric Drawing
Orthographic Worksheet
Isometric Drawing