Constants Leave a Comment / Blender 3D / By Nikita / 17.07.2019 2.80, Blender, Tips There are three mathematical constants in Blender which you can enter in any field and immediately get its numeric value. They are: pi – “Pi” number = 3.1415… e – Euler number = 2,7182… tau – “Tau” number = 6.2831…