The file 'Spiral Characters 3D Printer Model' is (scad,stl) file type, size is 1.1MB.
It's based on Turtle Spiral Generator. You may change the following parameters to spin out or in characters:
text
height
diameter
symbol
spin
I use it to create Ball of Characters, such as Ball of PI:
Find things about PI.
spiral_characters.scad | 5.0KB | |
spiral_pi_spin_in.stl | 5.8MB | |
spiral_pi_spin_out.stl | 5.8MB |