Step 1:
This paper is for the arrow, the backside is completely white. Prefold over this line, then turn the paper.

Step 6:
Press the place indicated by the arrow flat.

Step 5:
Valley-fold over this line. The corner indicated by the arrow is pulled upwards while you make this fold.

Step 2:
Valley-fold over these 2 lines.

Step 4:
Fold over these 2 lines.

Step 3:
Valley-fold over these 2 lines.

Step 10:
And the arrow is done....

Step 8:
Valley-fold over these 2 short lines.

Step 9:
Turn the model.

Step 7:
Repeat steps 5 and 6 on the other side, see blue line.

Step 16:
And the axis is done too.

Step 15:
Add glue to the red part, then roll up the model completely.

Step 12:
First, valley-fold over these lines. Start with the line below.

Step 11:
This paper is for the axis, the backside is completely white. Turn the paper.

Step 14:
Roll up further....

Step 13:
Now you can start rolling up the paper.

Step 21:
And the base is done...

Step 19:
Add glue to the yellow part and roll the model up completely.

Step 20:
Glue the bottom to a heavy object, like an upside down flower pot.

Step 18:
Roll this model up too.

Step 17:
The backside of this paper is also completly white. Fold it in half over this line.

Step 22:
Glue the arrow to the axis and place the axis in the tube.