Shop › 7/8 ths Scaled Triangle Image 1 of 1 7/8 ths Scaled Triangle £2.00 Useful 7/8 ths scaled triangle, 60 / 30 degrees marked in scaled ft. Good for line side and drawing. Quantity: Add To Cart Added! Useful 7/8 ths scaled triangle, 60 / 30 degrees marked in scaled ft. Good for line side and drawing.