The triangular ruler with knob contains the content of the well-known architect and experiment template.
Knobs are knurled to prevent slipping and easy to hold.
The thickness is 0.08 inch (2 mm) so it is easy to use as a triangular ruler or a template.
Each figure is individually sculpted on a computer controlled automatic. High precision, smooth cutting surface.
1/100 and 1/200 scales.
Ruler starts at right angle for efficient drawing.
Material is impact resistant acrylic and lightweight.