Adjustable Triangles

Rise and slope graduations. Inking edges on all three sides. Hot-stamped graduations. Thumbscrew locks triangle securely at desired angle. 0.12" thick light blue optically clear acrylic. Detailed instructions included.

Rise and slope graduations. Inking edges on all three sides. Hot-stamped graduations. Thumbscrew locks triangle securely at desired angle. 0.12" thick light blue optically clear acrylic. Detailed instructions included.

Rise and slope graduations. Inking edges on all three sides. Hot-stamped graduations. Thumbscrew locks triangle securely at desired angle. 0.12" thick light blue optically clear acrylic. Detailed instructions included.

Clear acrylic with smooth edges. Protractor section is graduated in 1/2 degree increments from 0 to 90 degrees. Available in even sizes from 6" to 12".

Clear acrylic with smooth edges. Protractor section is graduated in 1/2 degree increments from 0 to 90 degrees.

Clear acrylic with smooth edges. Protractor section is graduated in 1/2 degree increments from 0 to 90 degrees. Available in even sizes from 6" to 12".

Professional quality triangle with a topaz tint and a beveled cut for easy lifting. Raised edges leave your ink drawings smear free. Rise-12, Slope 12-17, Degree 0-45, 45-90.

Professional quality triangle with a topaz tint and a beveled cut for easy lifting. Raised edges leave your ink drawings smear free. Rise-12, Slope 12-17, Degree 0-45, 45-90.